Fix segfault due to memcpy (JuliaInterop#155)

Fixes failing tests on Linux and OSX

Fix engine detection, revert JuliaInterop#143 (JuliaInterop#153)

Add warning about string array compatability (JuliaInterop#147)

Delete Manifest.toml (JuliaInterop#141)

Fixes for compatibility with v0.7.0-alpha.0 (JuliaInterop#133)

Update deprecations on master (JuliaInterop#121)

cd into current directory on Windows (JuliaInterop#120)

On linux starting the MATLAB engine will automatically open in the
current working directory. However, Windows has different behavior and
this patch manually changes the engine to the current working directory
to more closely match the behavior on linux.

Update Compat minimum

MATLAB v0.5.1 [f5bc892]

MATLAB v0.5.0 [6e6c3f2]