Refactor serialization to use CSV for pandas DataFrames#9

martinmoldrup merged 10 commits intomainmartinmoldrup/snappylapy:mainfrom

features/new-pandas-csv-serializer-for-better-deserialization-and-readabilitymartinmoldrup/snappylapy:features/new-pandas-csv-serializer-for-better-deserialization-and-readabilityCopy head branch name to clipboard