Minor internal changes

• paths.find_latest_file will no longer automatically compile regular expression pattern.
• iso date parser enhanced with through adding start and end to regular expression.

Remove lxml dependencies

• Remove single function that required lxml dependency

0.1.5

Small functionality enhancements, lxml dependency removal

• iterations.chunks for building small subsets of a sequence in memory
• remove single function that relied on lxml for a lighter build process.
• small syntax cleanups.

Minor api changes

• DateTimeParser API change for customizable regex patterns, remove unused instance attribute.

Minor string utility additions

Added string conversions between camel and snake case.

Minor additions

• frequency count of a key field in sequence of dictionaries.
• partitioning iterable by predicate function.

Minor enhancement

• Added datetime.date objects to JSON serializer.

Initial Release

Initial production ready release.