Added SelectGlyphsSplines and SelectGlyphsReferences scripting functions
Added ChangeWeight scripting function.
Allow bItalic() to take a second argument for the xheight percentage.
If script filename doesn't exist, look instead for one ending in .ff
or .pe
Fixed bSmallCaps() to use position_maps and actually work.
Fixed incorrect argument array index.
Expanded Italic() function.
Added 'Class' parameter to GlyphInfo