完成初稿 Interacting with Objective-C APIs
Merge pull request #3 from CocoaChina-editors/master

同步
翻译完 04Migration
纠正翻译错误
类型转换（Type Casting）

类型转换（Type Casting）
Merge pull request #72 from xiehurricane/master

02-18类型转换（Type Casting）翻译完成
修改部分翻译错误
Merge pull request #74 from aquaporcus/master

修改部分翻译错误
Update 11Methods.md

The Swift Programming Language Guide 11 Methods 初稿完成，请校对。
Merge pull request #69 from haolloyin/master

完成初稿 Interacting with Objective-C APIs
Merge pull request #71 from xudeheng/master

翻译完 04Migration
Merge pull request #76 from TMCyzj/patch-1

Update 11Methods.md