This should resolve the performance issues for the hook when using XRandR.  The offset function should be moved into the input helper section so we can use it with the post events.  The caching not refreshing will need to be fixed further down the line with some type of system settings change listener.  PS I forget to commit the configure.ac changes on my other machine.
Merge branch 'munsuri' of github.com:kwhat/libuiohook into munsuri
Fixed a ';' bug.