Do not destroy context if socket test fails
PEP 8 fixes
Effing indents.
Indentation Fix
Merge pull request #578 from hoffmabc/DBFix

DHT and Socket Refactoring
optionally disable sqlite encryption
Merge pull request #609 from bolkin/master

optionally disable sqlite encryption
Searching Updates (DHT)
Remove contact in place (without rebuilding list).
Raise ValueError if contact not in bucket
Search Updates
PEP8 Fixes
Too many lines