* Used re.split() instead of re.search() to avoid string slicing.
* Used one "".join() instead of repeated string concatenation.
* Avoided duplicate logic on loop exit (i.e. output += template).

From: https://github.com/jakearchibald/pystache/commit/3e453f8207ba62dec63b106f381340001b11e74a
Into: issue_44

From: https://github.com/jakearchibald/pystache/commit/9923bef5008dd901f90527f18e1ac7d0df30a890
Into: issue_44

Adds two failing unit tests.

Conflicts:
	tests/test_pystache.py

This also completes the milestone: "Template class should not depend on the
View class."

The template module no longer imports from the view module.

This merge adds 21 unit tests.

Also added a test case.

Note that the removed logic around issue #34 remains elsewhere in
the code in the Template._render_tag() method.

Also added a test case.

The commit also adds a unit test for this case.