[COMPILER]
* NEW: Rename a macro constant to avoid a symbol clash when compiling the interpreter.
[INTERPRETER]
* NEW: Get rid of a macro trick in 'gbx_eval.h' header.
[GB.EVAL]
* NEW: Highlight: Add three new color constants for syntax highlighting: Escape, Label and Constant.
* NEW: Rename some source files.
* NEW: Rename some constants.
* NEW: Gambas syntax highlighter now use the three new contants for escape characters in strings, for labels, and for language contants (True, False, Null, +Inf and -Inf).
[GB.EVAL.HIGHLIGHT]
* NEW: Support for the new syntax highlighting color constants.
[GB.FORM.EDITOR]
* NEW: Support for the new syntax highlighting color constants.
