Added some expressions for SimpleClans and ViaVersion support

Changes:

• Added suppot for ViaVersion in (mc|minecraft) version of %player%.
• Added offline inventory of %offlineplayer% and can have items added, removed, cleared...
• Added experimental move %block% to (up[wards]|down|north|east|south|west). I intend to improve that to works exactly as piston does, to pull entities and move the block smoothly
• Added new expressions and a effect for SimpleClans.
  clan (rival|neutral|civilian) kills of %player%
clan deaths of %player%
clan total (rival|neutral|civilian) kills of %clan%
clan total K[ill ]D[eath ]R[atio] of %clan%
clan total deaths of %clan%
disband %clan%
• Fixed some bugs (really, it's not just to saying that I fixed something... seriously).