* Added a check for CVE-2013-2513
* Added a check for CVE-2013-2512
* Added a check for CVE-2013-1607
cremefraiche gem author yanked all previous gem version. Only the
0.6.5.2 released the 29 Jan 2014 is available on rubygems.org.

So we can safetly remove previous version check.
Added @rubysec website link
First "safe redirect and forward" check implementation... regex must be
checked again
Now CheckForSafeRedirectAndForward should be fixed
I moved some more big changes in version 1.2
Added test for sensitive files in .gitignore
Added changelog item for this.
Fixes issue #29