shift all pretty print helpers to pretty module
deactivate unused import
move tests for pretty printing to own test-file
create module syutils with some small utilities
move join_with_eol to pretty.py
remove unused import
refactoring more cli stuff
cleanup import and move a constant
cleanup file headers
remove unused import
fix line too long
fix too many blank lines
pep8 some more indents
shift more header related stuff to headers.py
beginnings of pep8 for headers.py
shift over the metadata header stuff and some of the tests
fix whitespace
cleanup imports and whitespace
fix typo
move the test code for the metadata header