updating composer to use Zend\Escaper
adding initial test
trimming up content on tests

some editors can be setup to automagically include blank lines and some
don’t. ultimately the presence of a new line at the end of the content
is of little consequence and shouldn’t impact the confidence of the
tests.
adding code in template to check rendering
adding initial version of renderer
throwing exception if template cannot be found
ensure trailing/leading slashes don't fubar things
removing erroneous new lines
Merge pull request #4 from cspray/renderer

Renderer