Fixed, Texture Browser Form: well, I broke "Tab" key functionality again (in previous commit)...
Maintenance: changed curly braces style to match DB2 one (hopefully not breaking anything in the process...).
Maintenance: changed private method names casing to match DB2 one.
Snap Map Elements to Grid mode now works much faster and shows a message when completed.
Forced default textures are now only used in drawing modes.
Exception Dialog: long error descriptions were breaking window layout.
Map will no longer be shown in Open Map form if unrelated data is encountered inside of map namespace.
Textures now load up to 2x faster when "mix textures and flats" flag is set in game configuration.
TEXTUREx/TEXTURES: texture will now be created if at least one of it's patches is loaded.
Visual mode: fixed a crash when "Slope floor to here" (9500) or "Slope ceiling to here" (9501) things were not inside sector.
Fixed: flats were not loaded form wads inside Directory and PK3/PK7 resources.
Sector Info Panel, Linedef Info Panel: texture size was shown for unknown textures.
Replaced all doubles with floats.
Script Editor:
Navigator drop-down now updates automatically.
Navigator drop-down now also works for external files.
Added Navigator drop-down support for Decorate and Modeldef.
