fixed shouldUpdateFromImportSource() not called from importUniqueObject() (fixes #31)

CoreStore.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
     s.name = "CoreStore"
-    s.version = "1.4.0"
+    s.version = "1.4.1"
     s.license = "MIT"
     s.summary = "Unleashing the real power of Core Data with the elegance and safety of Swift"
     s.homepage = "https://github.com/JohnEstropia/CoreStore"

CoreStore/Importing Data/BaseDataTransaction+Importing.swift

@@ -123,6 +123,11 @@ public extension BaseDataTransaction {
                 
                 if let object = self.fetchOne(From(T), Where(uniqueIDKeyPath, isEqualTo: uniqueIDValue)) {
                     
+                    guard T.shouldUpdateFromImportSource(source, inTransaction: self) else {
+                    
+                        return nil
+                    }
+                    
                     try object.updateFromImportSource(source, inTransaction: self)
                     return object
                 }

CoreStore/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.4.0</string>
+	<string>1.4.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>