Fixed state lookup logic for sprite guessing; it should always prefer SPRITE_CHECK_STATES to using the random first frame.

Fixed: duration 0 frames should be skipped if there are nonzero frames after them (reported by Tormentor667, Ozymandias81). Fixed crash if some actor had a modeldef entry but doesn't anymore.

Fixed: Internal: made most 'get' calls in WADReader use synchronized MemoryStream duplicate as opposed to operating on WAD stream directly. Hopefully fixes multithreading issues with sprite loading. (reported by Mysterious Haruko, camaxide)

Fixed: flats and textures with the same name were not cached correctly in the texture browser. (reported by DOOMGABR)

Fixed: inheritance from game configuration for dynamic lights; Fixed: visual representation of inherited lights (reported by Nash); Fixed: inherited thing arguments from game configuration; Added: //$ClearArgs for clearing inherited arguments.

Fixed: sprite replacements with different rotation count weren't handled correctly. (reported by DOOMGABR)

Changed: just use //$ArgNStr to check if arg0str is supported. If the argument is present, arg0str will be shown.

Added: arg0str for non-script specials in Search (only output, matching and replacement not work yet)

Fixed: forgot to add ZDaemon_common.cfg; Fixed: Internal: removed hardcoded arg0str only for scripts

Fixed: SplitLinesByVertices could leave disposed lines for iteration, which resulted in crashes on certain geometry while using 'Replace with Dragged Geometry'.

Internal: threw out a lot of unoptimized code in TraceSector. Now using Tools.FindPotentialSectorAt.

Fixed: check for matching argument lists was severely broken and was resetting or not resetting almost randomly

* Added support for using the "Target Class" filter for argument thing types. Configure using the new $Arg$TargetClasses property. Note: only actors with a valid classname may be added to the filter.

* A direct tag-to-tag relationship can now be established between two things, which allows event lines to be properly setup between them. This is intended for interpolation and patrol specials which are linked via a shared tag, instead of an argument. A POSITIVE value represents the parent thing, where a NEGATIVE value represents the child thing.
* Added interpolation and patrol point specials to the persistent event line processing

Fixed: 'Save into' would detect non-map lumps with the same name as maps and ask if you want to save over...

Fixed: in case there are other (non-map) lumps in the archive that have the same name as a map (e.g. MB2 patch and MB2 map in idl201x WADs) only the valid map is read.

Fixed: old map format is now autodetected when saving a map over an existing one. Saving a map in different format shouldn't leave junk lumps anymore.

Internal: not copying all lumps manually anymore on 'Save As'. The WAD is copied with File.Copy anyway.

Fixed: Find&Replace in Script Editor would go into an infinite loop if replacement contains the searched text