Update soup bowl and glass bottle fixes to 1.7_R1
Add support for non-numeric data values (finally!)
Fix some debug info appearing when debugging is disabled
Fix extraneous error message when encountering a comment at the start of the line
Suppress all the deprecation warnings; none of them have replacements anyway
Accept non-numeric data values in results as well as input
Some message tweaks
Support named datavalues for potions
Be slightly less picky with some datavalue names
Change comment character to backslash
Fix broken leather armour colour and datavalue error messages
Fix probable ambiguity of bricks in the stone slab names
Change the optional-space names to be optional-hyphen-or-underscore, since spaces can't be allowed in names