Adapt astyle hook to astyle 2.04 newline bug
Extract control functionality to separate function

CTRL operations handle control of the app itself. This is in preparation
to making these scriptable.
Add a control entry mode

Control operations should now be completely scriptable, and are
triggered using the '%' character.
Add a filter_clear example to pcurses.conf
Added argument for alternate pcurses.conf location
Run astyle 2.04 on the tree
Whitespace in config.h
Add control commands to in-application help
Set parseargs() static
Provide more extensive help message
Add a short control commands section to README
Point to the github repo for further help
Document negated filters
Bump version to 4