+ Add primary support for CLI. + Dialog with listed history contents for searching and removing. + Static entries. + Added variable to hold return values of fread and system, we should actually use that return value to display an error if there was one. + Redo Preferences dialog. + Clean up the code and indent it properly. + Add "Edit" and "Remove" buttons to the search window and rename it to "Manage Clipboard". + Move all pop-up and menu functions from main.c to menus.c.