make the username red and bold when sudo access is activated
documenting the prompt options in the man page + added a '%u' option to include the non-colored username'
man page updating
preprocessing of the prompt color options for max efficiency and code cleaning + updated the man page
added a prompt expansion option to show whether files have changed since the last git commit
added a space before the git branch
replace the homedir with '/home/jo' in the prompt cwd
truncate the directory to the first char *after* the first '/' within the cwd (else it looks like the root)
changed the default prompt
man page
null ptr bugfix
man page typo
Merge pull request #65 from jovanbulck/sudo_username_red_bold

Prompt customizing