Merge branch 'master' into development (Updated README.md)
Initial try at filtering 502s, for testing.
Added logging in case of 502 bad gateway so you can check if it occured.
Merge pull request #16 from malexmave/feature-filter-502

Filter out "502 bad gateway" exceptions. Closes #15.
Merge pull request #17 from malexmave/development

Version 0.4.2, containing filtering of "502 bad gateway" API replies.