general_format_parser knows of generalized anchors
Added tostring action.
Merge branch 'tostring' into devel
Updated docs to reflect newly supported formats.
Refactored actions.py into term.py, termactions.py, anchor.py,
actiondir.py
Reduced number of generic selector classes to 1
Moved *Source hierarchy to source.py
Merge branch 'refactor-modules' into devel
Bumping to version 0.3