Fix #239 Twig_Loader_Exceptions by using only one instance of the Twig_Loader_Filesystem.
adding file to benchmark functions
Merge branch '239_LoaderException' of github.com:cambell-prince/timber into cambell-prince-239_LoaderException

* '239_LoaderException' of github.com:cambell-prince/timber:
  Fix #239 Twig_Loader_Exceptions by using only one instance of the Twig_Loader_Filesystem.
Merge branch 'benchmark-loader' into cambell-prince-239_LoaderException

* benchmark-loader:
  adding file to benchmark functions

s merge is necessary,
Updated benchmark function to be more flexible
Merge branch 'cambell-prince-239_LoaderException'

* cambell-prince-239_LoaderException:
  Updated benchmark function to be more flexible
  adding file to benchmark functions
  Fix #239 Twig_Loader_Exceptions by using only one instance of the Twig_Loader_Filesystem.