Finished off ackrc
Changed tabs to changes
Added various tools from the interwebz
Changed "useless" aliases into functions.
Changed "network" aliases into functions
Minor fix with "color" aliases
Renamed overrides directory
Changed "shell" aliases to function
Changed "urlencode" alias to a function.
Cleaned up the "system" aliases
Changed notifications aliases into function
Added speedtest script
Moved machine_name alias to system subdirectory
Added some tips to README
Updated TODO
Moved bookmark script
Added a TODO file