mym: Cast longlong mysql fields to a long int matlab class
Mac long int64 support

Check in compiled binary for mac64
Added mysql libraries for compilation on Mac OS
Compiled for Windows 64 bit (on Windows 7)
Add sign support for bigint.

BIGINT is now mapped to int64 and BIGINT UNSIGNED to uint64.
Merge pull request #1 from datajoint/longint

Longint