Added support for shared libraries.
Merge branch 'master' into use-shared-libraries

Conflicts:
	src/cc/cc.py
Modified test to use the math library (must be linked with `m` when using clang). Also changed cc.py to Python3 syntax.
Merge pull request #3 from jeshuam/use-shared-libraries

Use shared libraries
Merge branch 'master' into build-libraries

Conflicts:
	src/cbuild.py
	src/cc/cc.py