Fixed some bugs
minor edits
Merge branch 'master' of github.com:jeffbarg/YAGL
Merge branch 'master' of github.com:jeffbarg/YAGL
Merge branch 'master' of github.com:jeffbarg/YAGL
changed compile n codegen — key fixes
Merge branch 'master' of github.com:jeffbarg/YAGL

Conflicts:
	ast.ml
	codeGen.ml