Implemented and changed things

Added $fetchdata identifier to make scripting easier. Added "special
perk" to users that register during ALPHA or BETA version of game.
Started implementation of !buy command. Started implementation of !stats
command.  !crafting requires !buying a crafting table. Apple drop from
!chop is 1 in 4. Sapling drop is 1 in 5 chance (random 1-3 saplings)