Pymatrix-rain

Features
- Added half-width Katakana characters like those from the movies. Requires the correct font to be installed. Use command line option -k or -K. Use key k or K to enable while running.
- Added option to scroll left or right. Use arrow keys to change directions.
- Added option to use old style scrolling. Use command line option -o or key s while running.

Features
- Added command line option to override terminal window colors. Use -O command line option to enable. If
your terminal supports 256 colors.
- Added option not the clear the screen. Use -W from the command line or `W` command.
- Added command to clear the whole screen wait 2 seconds and start again. Use command `w`.
- Added option to select a color number between 1 and 255 to use as the text color. Use command line option --color_number. If your terminal
supports 256 colors.
- Added option to use italic text. Use command line option -j or --italic or command `j` to
toggle italic text.

Improvements
- Switching between 1 and 0 modes will not clear the screen. This is the matches the transition
between extended characters and standard characters.
- Fixed wakeup key presses. Key pressed during wakeup scene were buffered until the pymatrix rain continued
causing the undesirable results.
- Some internal code improvements and refactoring.

Features
- Added freeze and unfreeze the matrix option by using `f`
- Added option to change the background color by using ctrl + `r, t, y, u, i, o, p, [` or
by using command line option --background [color]. Colors: red, green, blue, cyan, yellow, magenta and white.
- Added option to change the direction of the matrix to scroll up. Use `v` to toggle scrolling up or -v --reverse from the command line.

Improvements
- Added color black to the matrix letters

Features
* Command line option to disable keys except for `q or Q` to quit.

Features
* Added 1 and 0 option by using command line option -z or z
* Added Easter egg to display the wakeup computer scene from The Matrix

Improvements
* Improved small screen size handling

Fixes
* Fixed crashes on double space lines option.

Other
* Removed password option

Features
* Toggle extended Characters by using e
* Only extended characters if on by using E