Add fields to command autocompleter on switch/previous/next
Remove fields from command autocomplete on form submit/cancel
Added autocomplete for /field boolean types
Added autocomplete for /field list-single types
Added all autocompelers for form fields
Refactor form field and form autocompleters
Added /form help autocomplete
Updated form field help
Implemented new field commands
Merge branch 'master' into plugins

Conflicts:
	src/command/command.c
	src/command/command.h
	src/command/commands.h