Log Message:
Update ruby-sexp-processor to 4.4.5.

=== 4.4.5 / 2015-01-16

* 1 bug fix:

  * Removed shebangs in tests because of bugs (aka 'features') in RPM packaging \ 
tools.

=== 4.4.4 / 2014-08-14

* 1 bug fix:

  * MethodBasedSexpProcessor#in_klass clears out the method_stack for the \ 
duration of the block.

=== 4.4.3 / 2014-03-24

* 1 bug fix:

  * Fixed a bunch of pt_testcase entries for 1.9/2.0 wrt ruby2ruby.

=== 4.4.2 / 2014-03-14

* 2 minor enhancements:

  * Changed skipped versioned tests to return, not skip. Reduces noise so you \ 
can focus on real skips.
  * Extended versioned tests to include 2.0 and 2.1.