move completer in seperate sub package
use "\" as escaping character instead of double quote
implements mechanism for complete custom command parameters
add type to the parameter annotation that can be used by
CandidatesChooser
the file candidates-chooser can now choose only directories
refactor the candidate chooser interface
fix directory filtering
implement registration mechanism for CandidatesChooser
replace helpcompleter with command-name-candidate-chooser (parameter
auto-complete mechanism)
set type for default commands
update feature list
fix typo in class
implement auto-complete for macro names
rename file chooser types
Merge pull request #14 from rainu/issue-10-argcompleter

Issue 10 argcompleter