Preparing for beta version.
Set update-check.enabled config.yml node back to true.

This was false while in alpha version.
Fixed exceptions when using 'rmextract' and your 'disabled' folder is removed;

Changed 'rmextract' to print error on sender if it occurs;
Also fixed similar possible exceptions for saving text to file, like error logs.
Added variables for @itemlore and @itemname flags.
Flag cleanup, removed unfinished flags;

Removed commented/old code from @modexp.
Edited parseItem()'s error messages to apply to more general terms.
Fixed issue where multiple-result recipes won't subtract ingredients.
Added error for smelt recipe ingredient when data value is defined for them (because game does not support it).
Fixed @needexp checking wrong values;

Fixed @remove, @overwrite and @secret not being properly stored;
Fixed registrator not counting removed recipes;
Added documentation for @restrict flag.
Removed benchmark debug messages from furnace worker.
Removed @debug flag related code.
Fixed craft, combine and smelt recipes giving "invalid recipe" errors when using @remove or @restrict with them.
Removed data value from smelt recipe's ingredient on hashcode and book printing.
Added a catch error for recipe processor.
Fixed rmextract command generating smelt recipes with ingredients having -1 data value, now they won't add any data value.
Changed config.yml's lastchanged version.
Added toString() method for BasicRecipe to print the recipe name.
Changed auto-generated smelt recipe name style from "smelt (id) type" to "smelt type to type"
Removed some commented code.
Added printLocation() method for Tools class.