Update 1.7.5

added punctuation to command descriptions. added correct permissions for
all commands. added day & night commands. added ninja command (not fully
working).

added author name on plugin enable. added and fixed colors for most
error/success/info messages.
Ninja command: currently - hides player from all ONLINE players &
remembers if you are hidden or not when joining/leaving. problem =
offline players (players that join after you have become hidden)