expanded possible string characters
fixed missing export
reset head to working commit, and implemented mean
added xMeanOf, fixed missing example
fixed meanof tests
added missing xMeanOf methods
improved the autocorrector
started overhauling methods
kept working on new methods
started working on simple method bodies
finished two method bodies
added code for variadic methods
implemented more of new method scheme
deleted simplemethod, it was too similar to the old code.
added comments
renamed rank
working on relation
working on function lookup in x_method
param resolution now works for all methods
added branch for unary nonvariadic functions