Support isset() on results
When there is no valid connection left, don't retry the request but throw the real error.
Added assertion for __get() and __isset() methods.
Merge branch 'master' of github.com:ruflin/Elastica into patch-1
Support isset() calls on Result objects
Merge pull request #446 from derrabus/patch-1

Support isset() on results
Change order in validation of available connection.
Merge pull request #450 from jappievw/no-enabled-connection

When there is no valid connection left, don't retry the request but throw the real error.
Try to show the log file in travis.
Made viewing logs executable
Merge pull request #453 from jappievw/show-log

Show log in travis