Updated History.

Added additional tests for regexes that are supposed to be empty.
Added additional test cases for non-greedy repeats.


[SVN r30605]

libs/regex

@@ -1 +1 @@
-Subproject commit c39176085b14669ed851ef207556fca0ea235be1
+Subproject commit 233f083720d3cc40568328eafb51b416242f0b8a