Partially implemented custom actions; fixed desktop notification text in case when max history size is 0.
Improved handling external player errors; fixed window title in case of 1 playable item.
Separated common prefix in CustomActions arguments; added comments in CustomActions; various small fixes.
Implemented custom actions in playlist tree; user guide: filename and tmp dir fixes; set application version to 0.9.3-dev.
Implemented custom actions in history window; fixed custom actions tooltip delay; made actions' tooltips more verbose; updated VenturousCore with a small fix.
Added "Custom actions" preferences tab; various fixes and improvements.
Improved custom actions preferences tab.
Fixed custom actions' command parsing.
Implemented moving rows up and down in custom actions table; added custom actions to README and user guide.
Implemented showing last -N components of path in history; fixed compilation errors in GCC 4.7; set application version to 0.9.4.