fix : 用pod lib lint時的警告處理。 /Users/travis/build/RayTW/Swift8ComicSDK/Swift8ComicSDK/Classes/JSnview.swift:77:13: warning: variable 'list' was never mutated; consider changing to 'let' constant     - WARN  | xcodebuild:  /Users/travis/build/RayTW/Swift8ComicSDK/Swift8ComicSDK/Classes/JSnview.swift:82:13: warning: variable 'varSrc' was never mutated; consider changing to 'let' constant     - WARN  | xcodebuild:  /Users/travis/build/RayTW/Swift8ComicSDK/Swift8ComicSDK/Classes/JSnview.swift:83:13: warning: variable 'getPageJS' was never mutated; consider changing to 'let' constant
fix : 用pod lib lint時的警告處理。
/Users/travis/build/RayTW/Swift8ComicSDK/Swift8ComicSDK/Classes/JSnview.swift:77:13: warning: variable 'list' was never mutated; consider changing to 'let' constant
    - WARN  | xcodebuild:  /Users/travis/build/RayTW/Swift8ComicSDK/Swift8ComicSDK/Classes/JSnview.swift:82:13: warning: variable 'varSrc' was never mutated; consider changing to 'let' constant
    - WARN  | xcodebuild:  /Users/travis/build/RayTW/Swift8ComicSDK/Swift8ComicSDK/Classes/JSnview.swift:83:13: warning: variable 'getPageJS' was never mutated; consider changing to 'let' constant

RayTW/Swift8ComicSDK,RayTW/Swift8ComicSDK