Merge pull request #77 from orlandos-nl/feature/jo-fast-bsondecoder

Implement a simpler but faster BSONDecoder for use by MongoKitten

Sources/BSON/Codable/Decoding/BSONDecoder.swift

@@ -102,6 +102,14 @@ extension BSONDecoderSettings.IntegerDecodingStrategy {
     }
 
     /// Decodes the `value` without key to an integer of type `I` using the current strategy
+    @_specialize(where I == UInt8)
+    @_specialize(where I == Int8)
+    @_specialize(where I == UInt16)
+    @_specialize(where I == Int16)
+    @_specialize(where I == UInt32)
+    @_specialize(where I == Int32)
+    @_specialize(where I == UInt)
+    @_specialize(where I == Int)
     internal func decode(
         from decoder: _BSONDecoder,
         path: @autoclosure () -> [String]

Sources/BSON/Codable/Decoding/BSONDecoderSettings.swift

@@ -158,8 +158,8 @@ public struct BSONDecoderSettings {
     /// If `true`, allows decoding ObjectIds from Strings if they're formatted as a 24-character hexString
     public var decodeObjectIdFromString: Bool = false
 
-    /// If `true`, allows decoding ObjectIds from Strings if they're formatted as a 24-character hexString
-    public var decodeDateFromTimestamp: Bool = false
+    /// If `true`, allows decoding Date from a Double (TimeInterval)
+    public var decodeDateFromTimestamp: Bool = true
 
     /// A strategy that is applied when encountering a request to decode a `Float`
     public var floatDecodingStrategy: FloatDecodingStrategy