Added ASCII art
Added ASCII art

- Added ASCII art when “vapor help” executed
- Renamed Error to RunError, added Error for general errors
- Added runWithOutput to be able to run commands and get the return
value from it
- Added ability to specify the type of character to trim, renamed
trimmedSpaces to trim, move it to the beginning of the file
- Added terminalSize() used to find the number of columns and lines in
the terminal
- Added ANSIColor which lists the types of colors available and their
color codes
- Added centerBlockText for centering blocks of text

codesman/toolbox,codesman/toolbox