PayPalMPL pod pointing to specific commit. Tired of asking PayPal to not remove old versions as CocoaPods breaks every time they make a new release.

PayPalMPL.podspec.json

{
  "name": "PayPalMPL",
  "version": "2.1.3",
  "summary": "PayPal MPL Payment library for iOS.",
  "homepage": "https://www.paypal.com",
  "license": {
    "type": "Copyright",
    "text": "      Copyright (c) 2014 PayPal\n"
  },
  "authors": "PayPal",
  "source": {
    "http": "http://github.com/paypal/sdk-packages/blob/e9f4cb69569f2929d003a7c49853d066cc9b1f83/MPL/PayPalMPL_2-1-3_iPhone_DevelopersPackage.zip?raw=true&ext=.zip"
  },
  "platforms": {
    "ios": "5.0"
  },
  "source_files": "PayPalMPL_iPhone_DevelopersPackage/Library/*.h",
  "preserve_paths": "PayPalMPL_iPhone_DevelopersPackage/Library/*.a",
  "libraries": [
    "PayPalMPL",
    "xml2",
    "iconv",
    "z"
  ],
  "xcconfig": {
    "LIBRARY_SEARCH_PATHS": "$(PODS_ROOT)/PayPalMPL/PayPalMPL_iPhone_DevelopersPackage/Library"
  },
  "requires_arc": false
}