Fixed multiple bugs.
Merge branch 'ply_imports' of https://github.com/PrzemekBurczyk/dalvik-compiler into ply_imports

Conflicts:
	src/compiler.py
More fixes
Merge branch 'ply_imports' of https://github.com/PrzemekBurczyk/dalvik-compiler into ply_imports

Conflicts:
	src/sections/code_item_section.py
Merge branch 'ply_imports'

Conflicts:
	src/compiler.py
	src/sections/class_data_item_section.py
Merge branch 'ply_imports' of https://github.com/PrzemekBurczyk/dalvik-compiler into ply_imports

Conflicts:
	src/sections/code_item_section.py
Merge branch 'ply_imports'