Add cross-compiling support

Overall Modifications

• Modify Makefile so it may be easily used for cross-compiling on Linux
• DEBUG=yes mode may be compiled along side RELEASE=yes
• install must be run once per mode (DEBUG and RELEASE)

Add libCSynth.dylib target

Known Issues

The Makefile for Windows is broken. It requires a few modifications to work, which will be patched soon.

Modification

• Modifies how the Makefile handles shared libs
• Add libCSynth.dylib target

Fixed short notes

• Fixed length of songs that used notes shorter than quarter notes.
• Measure must add up to a single whole note. Note extension may be used to circumvent this "limitation".
• Added caracter '^', used to extend a note duration.

Fixed volume bug

Fixed a bug that caused volumes to be searched on freed memory

- Tests are now compiled with the debug library;
- Fixed some warnings pointed by valgrind;
- Bumped version to 1.0.1

First public version

v1.0.0

Updated the README