Prepare for 0.7.13

Wallpaper and some bugfixes

First commit

Improve run script.

Merge pull request #9 from jichu4n/cleanup

Remove file headers and minor updates.

Merge pull request #8 from jichu4n/build

0.7.12 - Readme

0.7.11 - Documentation

0.7.10 - Bugfixes

0.7.9 - Bugfixes

0.7.8 - Documented important parts of the kernel

0.7.7 - Added copyright header to all files, started working on number to string conversion.

0.7.6 - Started working on number to string conversion, fixed some bugs

0.7.5 - started working on the mouse driver, restructured the code, fixed some bugs

0.7.1 - keyboard input, commands

0.4 - colors, convenient print and println functions

first commit