Enhancements: - Enable term filtering for listcon. - Add make install command. - Enable use of global config file in /etc/todo/config. make install installs a global config file. - Allow use of post_filter_command for listall and listpri. - Print usage help for custom action and all passed actions. - Allow configuring null data files (done.txt and report.txt) and don't create them. - Color contexts and projects without an add-on, just by setting vars in the config file. - Place add-ons in subfolders (for easier git clone). Fixes: - Handle -h, shorthelp and help when a Fatal Error happens. - Properly replace date when replacing task with priority and date. - Fix todo_completion problem with Bash 3.1. - Improve code commenting/documentation. - Refactor code for speed/better organization. - Improve test coverage and test library. todo_completion - Remove add date from line completion, ie, todo.sh ls 10[tab].