[Ohrrpgce] SVN: teeemcee/11096 Show "Has Nothing" instead of "Cannot Steal" if chance to steal is 0% bu

[subversion at HamsterRepublic.com]

teeemcee
2019-04-03 22:02:45 -0700 (Wed, 03 Apr 2019)
230
Show "Has Nothing" instead of "Cannot Steal" if chance to steal is 0% but not disabled

This affects most enemies, because the default Thievability setting is "Only one",
not "Disabled"!

Also added clarifying comments to the code
---
U   wip/battle_udts.bi
U   wip/bmod.rbas
U   wip/bmodsubs.bas
U   wip/udts.bi