Merge pull request #178 from phracek/master

Log window corrections
Merge pull request #179 from phracek/master

ListStore needs have a str or GOBject
Remove unused imports and fix typo in variable name - thanks, pyflakes
Pull newest assistants, bump to 0.9.0a1
_check_input_section => _check_literal_section
Add checking of 'files' sections, fixes #152
Allow using aliases for top level executable assistants

- use this to provide "create" for "crt", "modify" for "mod" and "prepare" for "prep"
Add CHANGELOG entry about command line assistant aliases
Remove ddd from C and C++ assistants
Merge remote-tracking branch 'upstream/master'