Faster parse

Group all elements we want to parse in one parser so that we can parse
the thrift file in one go.
Merge pull request #30 from suzaku/faster_parsing

Faster parse
minor coding style tuning.
once reading in cybin may not get correct length of data
Merge pull request #31 from maralla/reading_data

once reading in cybin may not get correct length of data
add changelog, version bump to v0.1.8