updated readme
exclude levels from code-coverage.

spent some time cleaning up coverage.sh
updated makefile and coverage.sh
added MathSpec MaybeSpec & ColorSpec
added tests to cover gameMap and player
added more tests
more coveage for StateSpec
more coverage over Types
added shitty beaddiffuse tests
added -Wall option for syntastic
fixed Wall warnings
got rid of coverage.sh errors
Merge branch 'add-tests'