improve handling no data in m4change fixtures
Fix for empty string
Merge pull request #3402 from dimagi/phone-number-length

Fix for empty string
Merge pull request #3397 from SolDevelo/FIXTURES

improve handling no data in m4change fixtures
have preindex fail loudly

and email us rather than swallowing exceptions
run version_static after starting preindex

for slightly better pipelining
try another method to raise greenlet errors
actually swap in the new sync function i wrote...
print exception traceback