Updated version number.
Basic SmD class and initializer.
Change int_range to range, and added range_in_ms
Added min, max, date and at methods.
Added more methods, like from and now.
Change token decrypt test to use new format.
Changed scopes from a Set of symbols to an integer of bitwise flags.
Removed the "accepts" tests; they are redundant and the should_not was causing problems with some rspec versions.
Added token expiration checks.
Small refactor to ensure we use GMT for time comparisons.
This drastic of a format change feels like a major version bbump.
Updated example app for new token format.
Small change to account for msgpack turning raw binary data to strings.
Fixed Nil issue with fix_value_types.  Added real-world example test.
Updated spec with new real-world example.  The e and s parameters shouldn't need to be converted to integers.
Decision has been made to just use integers for scopes (instead of raw bytes).
Added Scope class to handle the binary scope variable.
Added ordinal spec.
Updated Scope class with has? methods.
Added experimental SmallHour implementation.