Add + substitution (all args starting with number N)
Fix conflicting StringBuffers
Add new substitution to README
Update version to force rebuild with Flex 0.4.0-issue1
Fix StringIndexOutOfBoundsException in new code (end-relative indexing isn't valid in Java it seems)
Fix usage of String.length
Force rebuild with new Flex
Force rebuild with new Flex
Force rebuild with new Flex
Force rebuild with new Flex
Merge version number back into main line