ENH: add quantize function to truncate data
ENH: support data truncation in Array.__setitem__
STY: fix max. line lengths
Merge remote-tracking branch 'andreas-h/quantize' into quantize
Commit changes suggested by Francesc in gh-261
Minor cheanup and formatting
Improved QuantizeTestCase
Improved FilterTestCase
Formatting
Implemented filter pack/unpack for least_significant_digit
Merge branch 'quantize' into develop
Remove obsolete comments
Update release notes for gh-261