Cosmetic
Important change to start the output manager, required to avoid some issues with:
	assert self._parent is current_process()
Fallback to blind
Add better error msg
Fix exception if init technique not available
Fix for an user reported bug (tbl can be None)
Minor patch
Minor patch for SQLAlchemy/MSSQL
Merge pull request #466 from Meatballs1/xp_cmdshell_output

Unable to retrieve XP_Cmdshell Output
Minor fix for case-insensitive union duplicates
Fixing history.py:207: DeprecationWarning: Set use_list explicitly.
Fix for an Issue #467
Cosmetic fix
Minor refactoring
careful at merging pull requests with TABs (#466)
slightly more appropriate definition of output variable
Implementation for an Issue #468
Fix for overnight (previously removed : from prefix/suffix was important for XMLType payload)
Minor patch (Issue #470)
Minor fix (NoneType has no attribute split)