Merge pull request #66 from beetbox/fix65

Fix #65: new crash when missing `meta` parameter

Version bump: v1.2.1

Changelog for #59

Version bump & changelog for #47

Update version number for 1.1.6

More robust error handling in submit

Tolerate floating-point duration in fpcalc output

Fixes beetbox/beets#2317

Related to acoustid/chromaprint#30

PEP8-ify some whitespace

Fix #29: unicode output in demo script