over 0.2.0

OVER: the best data format.
Documentation
# Change Log

## [0.2.0] - 2016-10-31

### Changed
- The inner type of `Int` is now `BigInt`.
- The inner type of `Frac` is now `BigFraction`.
- Macros are now shorter, e.g. `arr!` instead of `arr_vec!`.
- `Obj` now has more ergonomic getter functions such as `get_bool()`.

## [0.1.0] - 2016-10-29

### Added 
- The first official public version of the project was released.