adding hgm tests
Merge branch 'master' of https://github.com/LMFDB/lmfdb into tests/lzeros
Add support for flask_debugtoolbar
Fixes to zeros page.  Display in decreasing order.  Pressing Go repeatedly no longer removes a line each time.  Move the db connection to the current call since otherwise it fails when running multi-threaded.
Merge branch 'master' of github.com:rfurman/lmfdb

* 'master' of github.com:rfurman/lmfdb:
  Fixes to zeros page.  Display in decreasing order.  Pressing Go repeatedly no longer removes a line each time.  Move the db connection to the current call since otherwise it fails when running multi-threaded.
  Add support for flask_debugtoolbar