0.13.0 (20-Nov-2014):
* Depend on Backtrace from xapi-backtrace
* Add an opam file

0.12.0 (26-Sep-2014):
* Fix build errors on OS X

0.11.0 (30-May-2013):
* Change Stringext module to Xstringext to avoid conflict with other packages

0.9.1 (10-Sep-2013):
* Add Unixext.domain_of_addr
* Add String.sub_{before,after}

0.9.0 (3-Jun-2013):
* first public release

