Prevent closeConnection() from throwing an occi::SQLException.
This might happen if the connection was already invalidated on the
server, e.g., after a restart.
Rethrow SQLException caught in closeConnection.
This could be bad if an SQLException is thrown when the deconstructor
calls closeConnection, as terminate will likely be called.
Merge branch 'master' into catchCloseException
Fix whitespace and comment wording
Merge pull request #77 from raztus/catchCloseException

Catch close exception