Fix typo
Add input validation for CRAB 2 procds
Merge pull request #274 from giffels/dbs3-crab2-input-validation

Dbs3 crab2 input validation
Fix serverinfo API for WMAgent
DBSStatus is not used anymore
Remove not used component status
Remove not used insertbuffer
PEP 8 style changes
Wrong variable name and close connection when exception is thrown.
Fix race condition in T0 block insert
Merge pull request #277 from giffels/dbs3-block-insert-fix

Fix race condition in T0 block insert
Merge pull request #276 from giffels/dbs3-comparision-fix

Dbs3 comparision fix
Merge pull request #275 from giffels/dbs3-fix-serverinfo

Dbs3 fix serverinfo