v0.3 Aug.23.2014, Tommy
 1.[NEW]add SuperFastPulse type
 2.[FIX]slow & fast pulse issue
v0.2 Aug.23.2014, Tommy
 1.[FIX]slow & fast pulse doesn't get together
 2.[FIX]sluggishly pulse image isn't correct
 3.[NEW]add LongPulse type