Looks Like template tag and much more (#1750)

* Fixed issues with hiding and revealing cursed items.
* Added alphabeticised lists and item review to the GM Add Items menu.
* Added 'qty:' data tag to specify initial quantity of any item.
* Added support for 'Looks Like' template tag supporting auto-hiding of items.
* Added 'st:' data tag to specify displayed type of a hidden item.
* Added RPGM config options for 'Allow Any Power', 'alpha lists' & 'auto-hide items'.
* Added the 'single-uncharged' item charge type to designate uncursed charged items that discharge unconventionally.
* Moved getShownType() to library so can be used from other APIs.
* Improved tidying of MI ability macros on character sheets.
* Added auto-hiding of items with the 'Looks Like' template tag.
* Return to GM Add Items dialog if GM is reviewing MI spells.
* Use a GM whisper when GM is viewing the description of a spell or item a character has just used.
* Default casting level of a power to that of the caster if level is not specified in definition.
* Extended --mi-power and --mi-rest commands to support powers able to drain multiple charges and set new maximums per day.
* Fixed --tidy command and auto-tidying of character sheets.
* Prevented --tidy from accidentally tidying any db character sheet that had been dropped as a token.
* Allow --message to take a character ID or a token ID to send the message to

Author: DameryDad