Updating instruction

Update Instruction

1. Edit the source Code

- CHANGELOG
- Info.plist（Target -> General）
- podspec
- Peer.userAgent

2. Github

- Create Release tag

3. CocoaPods

$ pod trunk push BitcoinKit.podspec

Versioning

Use Semantic Versioning 2.0.0

Summary

Given a version number MAJOR.MINOR.PATCH, increment the:

1. MAJOR version when you make incompatible API changes,
2. MINOR version when you add functionality in a backwards-compatible manner, and
3. PATCH version when you make backwards-compatible bug fixes.

Additional labels for pre-release and build metadata are available as extensions to the MAJOR.MINOR.PATCH format.