Add documentation

Added a simple farming profile.

Added an intersection operator for actors

Added target and n methods to group tables.

Added rider method. Fixed canAttack method.

Require is now more version-friendly

merclass uses the default class method when fails

Added merclass utility library (work-in-progress)

Added constants for 3rd classes (and some useless stuff)

const.lua moved to lib/ directory

Updated profiles/test.lua

Added a state library with the most common states

SAVE table is no longer global to the program

Command fix

Fix