Added documentation of tests to be written

doc/tests.md

@@ -0,0 +1,15 @@
+TESTS
+=====
+
+
+Outline of test cases
+
+- basics - create a repository, add random stuff to it and make sure it can be retrieved
+
+- versions - check that multiple versions can be retrieved, and that config turns it off
+
+- autoindex - check that autoindexing works and that config turns it off
+
+- multiple copy bug - check that it works when more than one path maps to the same hash
+
+- pending v file not found