Whitespace cleanup
Add PROJECT_*_DIR variables
Improve check for environment variables
Check for variable modifications via list() command
Enforce find_package(* REQUIRED) or if(*_FOUND) for catkin packages
Use info.real_path(...) instead of os.path.join(info.path,...)
Fix install destination for files
Do not make commands lower-case in parser
Check that all commands are lower-case

Working on #4
Remove license text from README
Add new package format to missing feature list
1.3.3
Merge version 1.3.3
1.3.3-1