Remove old files.
Add new C++ implementation.
Updated Mathematica side of the code to work with new implementation
Rename Engine directory
Update .gitignore
Ignore debug symbols
A bit of documentation for eng*[] functions.
Makefile cleanup
Temporary MSet transposition fix for matrices only
Prevent memory leaks on failure in MSet
Add engGetHandles[] debugging function: will list all existing matlab data structure handles
Throw/Catch to exit error in MEvaluate
Merge branch 'cdev' into mma-dev