Fix for Issue #86
Merge pull request #102 from kipe/wikipedia

Fix for Issue #86
Merge remote-tracking branch 'upstream/master'
change to FMI's formula for wind chill
tests for openweather
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Merge pull request #103 from kipe/openweather

change to FMI's formula for wind chill
error handling
unicode-fixes
Merge pull request #104 from kipe/openweather

Unicode fix, error handling
Merge remote-tracking branch 'upstream/master'