Fix extension letters case of font file
Reduce self

Just a 'self' cleaning commit ;-)
Use online 'if'
Use method instead of instance variables
Make keybindings clear
Make it simpler to handle resting state
Favors symbol to proc shortcut
Favors the method not the inst var
Make it faster and clear
Include the two actions inside the same if (same conditions)
Split it into a new method
Split the 'timing' logic into a new method
A longer but better name of @prev_shot
Favor online 'if'
Change it here also to use the same name
Use the same approach as for player
Use 'shot' as element name of 'shots.each'
Merge pull request #1 from abinoam/abi_feats_1

A small fix a lot of stylistic suggestions