bringing sdk to latest sdk
Merge pull request #5 from financeCoding/update_latest_sdk

bringing sdk to latest sdk
Bump version number
removing dart:utf and replacing with dart:convert
Merge pull request #6 from financeCoding/dart_utf_to_dart_convert

removing dart:utf and replacing with dart:convert
Bump version
Removing unused import
Merge branch 'develop'

Conflicts:
	lib/static_file_handler.dart

Conflict resolved manually.
Fixes #8
Adding support for maxAge
Adding test and comment in an example. Closes #7
Bump version number