changed output of ver command
added date, whereami, remindme shell commands
started implementing scrolling in console; made some style changes
implemented scrolling in the client os
changed host display background
host display text changed to bold
implemented canvas resize when user enters cls command
added mapping for punctuation chars
implemented handling of punctuation chars and symbols
implemented appropriate handling of backspace in cli
implemented command completion with the tab key
implemented command history recall via up and down arrow keys
added error/bsod and load shell commands
added bsod image
fixed type in bsod image
typo fix
added some comments
implemented line wrap in the cli
minor fixes for line wrap in cli