Update cursors.py
Update cursors.py

Reverting commit 8a75cc2c1533821c5591cd487e881b1cd69106ea
Forgot to add line

self.lastexecuted = q

to SSCursor class method _query
Merge pull request #181 from jvankoten/master

Bring back cursor._last_executed
cleanup
Allow "length of auth-plugin-data" = 0.
Merge pull request #185 from methane/fix-183

Allow "length of auth-plugin-data" = 0.
Stop using weakref for Cursor.connection
Merge pull request #186 from methane/fix-180

Stop using weakref for Cursor.connection (fixes #180)
fix typo
merge changes from main fork. use a development version number so it can be installed independently