Created unit test to reproduce issue 7
Fixed an issue with issue 7 unit test
Merge branch 'master' into issue/7-and-157
Added test for issue 157
Test for issue 7 now fails consistantly
Clear 'wagtail_site_root_paths' when a site root page is saved fixes #7 fixes #157
Added docstrings to issue 7 and 157 testcases
Added changelog entry
Merge pull request #227 from kaedroho/issue/7-and-157

Clear 'wagtail_site_root_paths' when a site root page is saved fixes #7 #157