Inherit StandardError instead RuntimeError for errors
Inherit StandardError instead RuntimeError for errors

Change-Id: I1c7012bdc661c24e45721fb71d753866c016c999
Reviewed-on: http://review.couchbase.org/17443
Tested-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>
Reviewed-by: Chris Anderson <2d93822289c316cb3d36491aa561290e86ec1ac5@couchbase.com>

dewolfe/couchbase-ruby-client,dewolfe/couchbase-ruby-client