Fix testcase data so no error on import -
the testcase string has a non-ascii symbol which seems to be
fine when the module is executed as _main_ but when imported
by ppqt causes a stupid non-ascii message
Fix sectionRE to allow a DOCHASH string containing }
The previous test was unnecessarily tight, not allowing
any } characters preceding the final }}. Now it accepts
dochash strings containing even }}; they cannot come at
the end, worst case would be ..xxx}}' }} end of line.