clang 0.3.0

An idiomatic Rust wrapper for libclang.
Documentation 
## [0.1.0] - 2015-12-21
- Initial release

## [0.2.0] - 2015-12-22

### Changed
- Moved FFI bindings into separate crate (`clang-sys`)

## [0.2.1] - 2015-12-22

### Fixed
- Fixed passing of version features to `clang-sys`

## [0.2.2] - 2015-12-23

### Added
- Added `sonar` module for finding declarations in C translation units

## [0.3.0] - 2015-12-27

### Added
- Added implementations of `From` to `String` for error enums
- Added integer categorization methods to `Type` struct

### Removed
- Moved `sonar` module functionality into separate crate (`sonar`)