'Cancel' for PromiseKit -- provides the ability to cancel promises and promise chains

Author: dougzilla32

Cartfile.resolved

@@ -1 +1 @@
-github "dougzilla32/PromiseKit" "288f7fbabc0b33c558bf908a3a0770693223d4e0"
+github "dougzilla32/PromiseKit" "087b3cf470890ff9ea841212e2f3e285fecf3988"

Sources/MKDirections+Promise.swift

@@ -79,4 +79,4 @@ extension MKDirections {
         return cancellable(calculateETA())
     }
 #endif
-}
+}

Sources/MKMapSnapshotter+Promise.swift

@@ -59,4 +59,4 @@ extension MKMapSnapshotter {
         return cancellable(start())
     }
 #endif
-}
+}