New general sync command
Sync uses celery
eol at eof
Conform flake8
Fix sync command and emit err msg if no given svc
add sync to __all__
Triple double quotes on sync docstrings
Add some docs related to adding new services
Add some details to docs
Merge pull request #28 from tkiapril/tvtropes-crawler

Crawler CLI Improvements
immigration
documentation
additional documentation and test
test loader()
app-> flask_app, added celery_app
flake8
flake8
Documentation, and change name of variables 'p' to 'property_'
unify docstring
loader test enabled and change 'cliche load' to 'cliche sync'