Please add these nice coins.

• PenguinCoin(PENG)
  
  • PENG -> BTC
  • PENG -> KARM
  • PENG -> MRS

• PandaCoin(PAND)
  
  • PAND -> BTC
  • PAND -> LTC
  • PAND -> MRS

• MarsCoin(MRS)
  
  • MRS -> BTC
  • MRS -> PENG
  • MRS -> PAND