CHANGES

2011/01/01 Migration From Launchpad to Github
  - Exported bazaar tree to git

2010/03/03 Added rfc1071 primitive to core.
  - Added (rfc1071 str) -> integer, which performs an RFC 1071 checksum of a
    string.  Useful for implementing IPv4 packets.
  
2009/12/12 Preliminary 64-Bit Support
  - Changed wasp_value's type from wasp_quad to uintptr_t.
  - This may cause Wasp to compile and work 64-bit clean, but does not gain
    a lot of efficiency from 64-bit, as MAX_IMM and MAX_INT have not been
    adjusted.

2009/12/11 Waspdoc TC Bugs Fixed
  Waspdoc contained some incomplete argument parsing fixes that blocked
  normal operation.  Fixed, and ensured it will install properly.

  - Restored functionality of waspdoc dump source, waspdoc dump module.
  - Added waspdoc to install process.

2009/12/06 Bugfix, No Deactivate for Poll Processes
  Identified by Chris Double; error introduced 2009/12/06 in Polling Processes
  patch.

  - Added a standard wasp_poll_deactivate dummy procedure to process.c

2009/12/06 Polling Processes and Sleeping the VM
  - Modified the process object to change the boolean "enabled" to an byte
    "state."
  - Added a state WASP_ACTIVE_PROCESS for processes that are actively
    executing.  This approximates the old "enabled" processes.
  - Added a state WASP_IDLE_PROCESS for processes that are waiting on a resume;
    this approximates processes that were not enabled.
  - Added a state WASP_POLL_PROCESS for processes that poll.
  - Added convenient wasp_make_poll( fn, value ) to process.c.
  - Expanded wasp_process_loop to sleep 100 microseconds when active count is
    0 but enable count is nonzero.
  - Simplified wasp_os_loop_activate to make wasp_os_poll.
  - Removed unused wasp_can_be_only_one and wasp_vm_count.

2009/12/06 Salsa/20 Cast Correction
  - Corrected an implicit pointer cast in vm/salsa.c when calling wasp_root_obj

2009/12/05 Static Compilation Improvements
  Derived from a patch supplied by Chris Double; ensures libevent is statically
  linked.

  - Factored libraries out of EXEFLAGS into STATICLIBS and DYNAMICLIBS.
  - STATICLIBS are linked with -Bstatic.
  - DYNAMICLIBS are linked with -Bdynamic.
  - Made librt an explicit dynamic dependency on Linux, indirectly required by
    libevent.

2008/12/31 Roguelike Terminal Support
  - Added (string-set! str offset byte), similar to vector-set!
  - Added (make-string str length init), which creates a string of length bytes,
    with each byte initialized to init.
  - Added (string-fill! str offset length byte), which changes length bytes,
    starting at offset, to byte.
  - Added (console-blit text foreground background) to os.c; this primitive
    will iterate over the bytes in text, printing each one with the foreground
    color and background color at the corresponding offset in foreground and
    background.  Additionally, offset and length arguments may be specified to
    restrict the data being displayed.  (For windowing functionality.)
  - Added (set-console-colors fg bg) primitive for POSIX and CONIO.
  - Added (reset-console-colors) primitive for POSIX and CONIO.
  - Modified lib/scud to use new set and reset primitives.

2008/12/26 Terminal Support Improvements
  - Bumped version to 0.4.2.
  - Moved lib/env to use a dictionary instead of an assoc-list.
  - Ensured environ is not used on Windows.
  - Added conio-size primitive, which returns the current number of rows and
    columns.
  - Added tty-size primitive, which returns the current number of rows and
    columns.
    + NOTE: Only works on Linux.. Need to figure this out for BSD.
  - Added scud-size function, which returns the current number of rows and
    columns as a list.
  - Added clear background to vt100, simply resets background; workaround for
    transparent terminals that are only transparent when there is no
    background color.
  - Added clear background to conio, simply uses black.

2008/12/26 The SCUD Terminal Library
  - Added unbuffer-console primitive, which prevents line buffering of stdin.
  - Added conio-goto, conio-set-attr, conio-cls, conio-clear for Win32.
  - Introduced the SCUD terminal abstraction library.
  - Added the osdef macro to lib/env, which permits per-OS function 
    definitions.
  - Tagged 0.4.1

2008/9/18 Code Quality Improvements for MOSREF 
  - Fixed bug in lib/build when building cross-platform applications for win32
  - Added (preload module ..) function to core/import; informs the module
    loader that the specified module should be considered "loaded in the
    near future."
  - Added logic to lib/build to manage circular dependencies in standalone
    applications by emitting a preload after the core modules are loaded but 
    before the remainder.
  - Removed some superfluous debug spam.
  - Tagged WASPVM as 0.4.
  - Added Henry Spencer's regex for WIN32 platform, which is regex-poor.
  - Added string->uppercase, string->lowercase primitives to core.c
  
2008/08/30 MOSREF Proxy Command and Fixes
  At this point, MOSREF is functional, but could use some improvements; this
  milestone is focussed on making MOSREF a production-worthy tool.
  
  - Verified operation of drone bridging.
  - Moved mosref/patch to lib/patch.
  - Removed debugging spam from lib/patch.
  - Modified MOSREF communications to operate in blocks of random sizes from 0 
    to 255 bytes, each block has a checksum, the overall message has a 
    checksum.  This reduces the potential for noise to tie up memory or hang 
    the node.  (It will still cause the connection to break, though.)
  - Renamed tcp-connect primitive to start-tcp-connect
  - Modified outbound tcp connections to yield 'connect after they first 
    connect.
  - Added tcp-connect function to core/io; emulates old synchronous 
    tcp-connect behavior.  (Eating the opening 'connect message.)
  - Restored tcp-forward.
  - Adulterated spawn in mosref to traceback and halt on an unhandled error in
    any spawned process.
  - Ensured that OS connections will only yield a 'close once; subsequent 
    waits on the connection result in an infinite wait.  (Which corresponds
    with other inputs.)
  - Restored the MOSREF "proxy" command.

2006/08/16 Port MOSREF 2.0b4 into WaspVM.
  Found the final source tree for MOSREF, porting it into the current
  work on MOSREF..
  
  - Ported lib/env into the core.
  - Ported lib/clue-db into the core.
  - Ported lib/cons-filter into the core.
  - Ported lib/shuffle into the core.
  - Ported lib/format-filter into the core.
  - Ported mosref/shell into the core.
  - Merged mosref/base and mosref/endpoint into mosref/transport.
  - Updated implementations of Console and Drone endpoints.
  - Ported lib/args-fu into the core.
  - Ported lib/catch into the core.
  - Ported mosref/node into the core.
  - Ported mosref/parse into the core.
  - Ported mosref/format into the core.
  - Ported mosref/cmds into the core.
  - Ported mosref/listener into the core.
  - Ported mosref/props into the core.
  - Ported mosref/patch into the core.
  - Added input, timeout and output methods for lanes to lib/bridge
  - Modified mosref/patch to use the input and output multimethods defined in
    core/io.  (And, in turn, lib/bridge)
  - Ported mosref/prop/* into the core.
  - Ported mosref/cmd/* into the core.
  - Ported lib/cons-filter into the core.
  - Ported bin/mosref into the core.
  - Disabled use of lib/terminal in bin/mosref.
  - Disabled exploit command.
  - Disabled fork command.

2008/08/14 Port MOSREF Affiliation into WaspVM.
  - Ported lib/buffer-channel into the core.
  - Ported lib/tag-filter into the core.
  - Ported lib/package-filter into the core.
  - Ported lib/fuzz-filter into the core.
  - Ported lib/line-filter into the core.
  - Replaced use of base64-encode with format.
  - Replaced use of base64-decode with common sense.
  - Replaced all uses of ecdh and aes with generic ciphers from base in 
    mosref/drone.
  - Replaced all uses of ecdh and aes with generic ciphers from base in 
    mosref/console.
  - Ported test/affiliation into the core.
  - Fix -- Found wasp_prng state was not being properly rooted.

2008/08/14 Port mosref/base into WaspVM. 
  - Copied MOSREF 2.0-b3 into the Core.
  - Copied lib/crypto-filter into the Core.
  - Copied lib/checksum-filter into the Core.
  - Copied lib/copy-filter into the Core.
  - Restored crc32 primitive to static build.
  - Modified mosref/base to use curve25519 and salsa20.
  - Modified make-salsa20-key to accept an optional IV argument.
  - Modified (wait timeout input) in core/io to cancel the timeout after a
    message arrives.
  - Fixed core/io to use current-input, not current-process-input.
  - Fixed core/io to use current-output, not current-process-output.
  - Added (wait timeout) method to core/io.
  - Added test/mosref-base to test MOSREF's fundamental xmit and recv 
    operations.
  - Added string->byte to core.c
  - Added string->word to core.c
  - Added string->quad to core.c
  - Added lib/collate-filter, which prepends a length field as needed.
  - Ensured messages are intact by including a length header.

2008/08/13 Port lib/socks-client, lib/socks-server Back to WaspVM
  - Added (random-integer minimum maximum) -> integer primitive.
  - Added (resolve-ipv4 hostname) -> integer primitive.
  - Modified tcp-connect to accept integer addresses.
  - Rename cancel-task to cancel-timeout.
  - Added (close-service os-service) primitive.
  - Ported lib/socks-client and lib/socks-server from MOSREF 2.0 to WaspVM.
  - Added a unit test for lib/socks-client and lib/socks-server.
  - Fixed overuse of OS loop due to cancel-task not decreasing the OS usage
    index.
  - Added (scan-io) primitive when compiled with WASP_DEBUG_IO
  - Fixed missing return value from wasp_read_entropy_str.

2008/08/13 Port lib/bridge Back to WaspVM
  - Ported lib/bridge from MOSREF 2.0 to WaspVM.
  - Fixed a bug in the queue-input GC trace that was not passing trace on to
    the generic input GC trace method.
  - Added a unit test for lib/bridge.

2008/08/13 Restore Platform, Architecture and OS Semantics
  - Added arch to makefile.cf.
  - Moved old platform logic to os in Makefile.cf
  - Made platform a combination of os and arch, like MOSVM.
  - Made waspvm stub name a combination of waspvm, os and arch, like MOSVM.
  - Updated make exe-package to account for platform changes.
  - Restored stubs directory.
  - read-file now returns "" when reading past end of the file, instead of #f.
  - Restored use of stub-path to lib/build
  - Modified build process for local waspc and wasp to overlay site/config.ms
    and site/config.mo with mod/local-config.m*
  - Added support for -platform <platform> to waspc, can be used instead of 
    -stub
  - Restored stubs directory to bin/install installer.

2008/08/12 Port SALSA20 to WaspVM
  - Disabled plugins until after 1.0 due to Win32 issues.
  - Added (make-salsa20-key seed) -> salsa20-key.
  - Added (salsa20-encrypt key plaintext ?iv) -> ciphertext
  - Added (salsa20-encrypt key plaintext ?iv) -> plaintext
  - Added (read-entropy amount) -> entropy primitive for UNIX.
  - Added (read-prng amount) -> data primitive; uses an internal Salsa/20 
    state keyed from OS entropy.
  - Wrote test/salsa20 test case.
  - Added (read-entropy amount) -> entropy primitive for WIN32.

2008/08/12 Added Elliptic Curve 25519 Primitives
  - Added (curve25519-public private) -> public primitive; private key must be 
    a 32 byte random string.
  - Added (curve25519-secret public private) -> secret; using a pair of remote 
    public key and local private key, determines a 32 byte shared secret.  This
    secret should be hashed before use.
  - Added test/curve25519 test case.

2008/08/08 Tweaks to WaspDoc Check Source
  - Modified waspdoc check source to use dir-files to identify source files.
  - Modified waspdoc check source to add "UNDOCUMENTED" to undocumented source files.

2008/08/07 I/O System Bugfixes 
  - Fixed bug that would cause non-interactive applications to not exit unless
    (exit) was called.
  - Removed (exit) calls from bin/install and bin/waspc applications that were 
    concealing this problem.
  - Clarified all logic in vm/os.c related to when connections would start and stop
    I/O, when their associated event buffers should be disabled, etc.

2008/08/04 UNIX I/O System Refactor
  - Fixed error in queue free method.
  - Refactored OS loop so libevent and windows loop can be interchanged.
  - Removed raw-input, raw-output and channel types as they are unused.
  - Modifies OS connections with three-phase logic: connected, closing,
    closed.
  - Corrected a lot of missed traces in os-* types.
  - Ensured os-connections can be supplied to connection primitives.
  - Removed mention of sys/filesystem and sys/regex from modules.
  - Removed multiple processes waiting on a single channel; confuses os 
    handling.
  - Removed resolve-ipv4 primitive.
  - Modified tcp-connect to require a string for host name and either a string
    or an integer for the service, treating the following as equivalent:
      (tcp-connect "localhost" "http")
      (tcp-connect "127.0.0.1" "80")
      (tcp-connect "kabuki.merseine.nu" 80)
  - Backported Console I/O to Windows environment.

2008/08/03 Process System Cleanup and Improvement
  - Added set-current-input! primitive.
  - Added set-current-output! primitive.
  - Added set-process-input! primitive.
  - Added set-process-output! primitive.
  - Added process-input primitive.
  - Added process-output primitive.
  - Renamed active-process to current-process.
  - Restored lib/tcp-server from Mosquito.
  - Modified lib/tcp-server to pass ancilliary arguments, much like spawn.
  - Restored lib/http-server from Mosquito.
  - Restored lib/http-file-server from Mosquito.
  - Modified dir-files to work under Windows.

2008/08/01 Timeout System Improvements
  - Generalized timeouts to tasks
  - Modified timeout primitive to create a task with the timeout method.
  - Modified pause primitive to accept an optional timeout in milliseconds.
  - Backported to WIN32, Isolating LibEvent Calls
  - Note, moved all subsystems back into the core vm; need to explore better
    ways to export symbols to DLLs than using the all-in-one-dll method.
  - WaspC works, Wasp doesn't, as expected.
  - BUG: (pause 100) at REPL causes halt.
  - Restored lib/url from Mosquito.
  - Restored lib/http-url from Mosquito.

2008/07/28 LibEvent Restoration
  - Restored event loop from future.
  - Modified core/io module to handle os-connection outputs and inputs.
  - Added os-service type to vm, derived from input, yields os-connections.
  - Added (tcp-serve portno) -> os-service to vm/os.c
  - Corrected optional arguments to be type-specific and refuse subtypes.
  - Added macros for requiring subtype'd arguments.
  - Implemented timeout scheduling.
  - Made makefile default to -DNDEBUG.
  - Added timeout multimethod to core/io to overlay the primitive.
  - Added timeout option to wait multimethod.
  - Fixed (input process) and (output process) methods in core/io.
  - Aliased <number> to <integer>, since eventually integers will be a 
    subset of <number>.
  - Added timeout argument to wait multimethod.

2008/06/24 WaspDoc Integration
  - Added exprs->string primitive.
  - Added write-lisp-file to core/file module.
  - Added string-read-expr! primitive to vm/core.c and vm/string.c
  - Modified string-skip-space! to return number of spaces skipped.
  - Fixed a bug in the parser that considered a single dot to be an incomplete 
    expression; should be an error.
  - Reintegrated WaspDoc from pre-Rewind tree.

2008/06/20 Namespace Cleanup
  - Renamed set primitive to make-set.
  - Renamed dict primitive to make-dict.
  - Renamed tc-append! primitive to tc-add!
  - Renamed tc-splice! primitive to tc-append!
  - Modified tc-add! to accept multiple items, not just one.
  - Modified tc-remove! to accept multiple items, not just one.
  - Modified iter in lib/iterate to generate tc iterators.
  - tc no longer considered a list by list predicate.
  - tc no longer considered a pair by pair predicate.
  - tc no longer a subtype of pair.

2008/06/11 WaspDoc Parses Module Files
  - Added waspdoc/waspdoc.ms
  - waspdoc/waspdoc can analyze module files for their imports and exports
    !! Note, this does not identify a module's macro exports, nor does it expand those macros. 

2008/06/10 Subsystems Back From The Future
  - Added subsystem compilation back into the build system.
  - Restored regex subsystem into the build system.
  - Restored subsystem installation in the install script.
  - Added filesystem subsystem.
  - Moved all filesystem primitives other than file open and read primitives to filesystem 
    subsystem.
  - Removed uses of file-path? from core.
  - Added dependency on sys/filesystem to compiler.

2008/06/10 Initial Import from WaspVM 0.3
  This is a fork of WaspVM 0.3 devel as of 2008/06/05 with reduced build complexity and the
  removal of some functionality not needed for installation or compilation.  It is the new
  development focus of the Wasp project -- see the README for details.

  - WaspVM compiles on Linux 2.6 with GNU toolchain.
  - Removed timeouts, async I/O, crc32 
  - WaspC runs identically under Rewind VM.
  - Wasp REPL runs under Rewind VM.
  - Ported over all dependencies of WaspC and REPL to Rewind.
  - Ported install script back into build system.