0.7.2

Changelog

• Themes support added (4 hardcoded themes).
• Command line option -t (--theme) THEME added.
• Config option "theme" added.
• Key "t" will open the "Theme Selection Window"
• Key "T" will toggle transparency / use terminal's background color.
• Alt keyboard combinations will not be considered as ESCAPE char.
• Help / message windows use multiple colors.
• Fixing a couple of minor bugs.