#674 - system allowing duplicate question names
Merge pull request #149 from kobotoolbox/tp674

#674 - system allowing duplicate question names
tweaks to the csv serialization/deserialization process to fix character escaping problems
changing default parseFloat value
a number of tests of the csv module
Merge pull request #150 from kobotoolbox/tp590

Fixing CSV serialization / deserialization steps
Merge branch 'master' into skip-logic-fixes