[[ ExecValue-ization ]] Reverts update on the literal numbers - using them as proper numbers when possible breaks the formatting of floats
Some clean-ups and fixes
Fix to a couple of issues visible in the dictionary
Revert "[[ CombiningChars ]] Fixes the IDE tokenization and deletion when combining chars or surrogate pairs are typed in the script editor"

This reverts commit 538447dfbcb01ccba658c8062e9b07ae612dff1c.

Conflicts:
	engine/src/block.cpp
[[ RefactorSyntax ]] Fixes array index increment on MCStringSplit
Merge branch 'refactor-syntax_unicode' of https://github.com/runrev/livecode into refactor-syntax_unicode
[[ TextChunkUtilities ]] chunk offset of empty string must use 'split' chunks codepath
Merge branch 'refactor-syntax_unicode' of https://github.com/runrev/livecode into refactor-syntax_unicode
Fix the weak_stub_maker.pl script
Merge branch 'refactor-syntax_unicode' into refactor-syntax_unicode_text_stream
Fix some missed break iterator releases
Merge branch 'refactor-syntax_unicode' into refactor-syntax_unicode_text_stream
[[ TextStream ]] Fixes few errors on the text stream. Still broken as soon as combining chars appear in a string.
'find' return the codepoint index, not the char index - and fails to find a surrogate pair
'replace' fails to find either surrogate pairs or combining char-including string