Added list of commands above terminal (still a bit rough around the edges)
Last 5 commands and error messages working in terminal window
tower firing types now dynamically calculated. Other small changes to function structures. pathMaker now properly coded
added levelling to towers
more error checking in parseUpgrade
Merge remote-tracking branch 'benjis2/master'
Merge remote-tracking branch 'toms2/master'
merged benjis and toms
merged mikes
Merge remote-tracking branch 'origin/master'
working