XML input file can now specify both JS and CSS output files in the same XML file.
Don't output octal escsape sequences in string literals for strict-mode scripts.
Expand expression optimizations to handle more instances of logical-not being smaller.
Properly handle comments that look like conditional comments but aren't because no @cc_on statement has been encountered.
CSS Important comments should start on a new line, and CSS hacks should not have the ! in them.
Various other smaller updates.