Support for macOS Sierra

.gitignore

@@ -1,3 +1,7 @@
 .DS_Store
 build/
 
+
+Fraise.xcodeproj/project.xcworkspace/xcuserdata/
+
+Fraise.xcodeproj/xcuserdata/

.project

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Fraise</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+	</buildSpec>
+	<natures>
+	</natures>
+</projectDescription>

Classes/FRAAdvancedFindController.h

@@ -1,27 +1,29 @@
 /*
-Fraise version 3.7 - Based on Smultron by Peter Borg
-Written by Jean-François Moy - jeanfrancois.moy@gmail.com
-Find the latest version at http://github.com/jfmoy/Fraise
-
-Copyright 2010 Jean-François Moy
+ Fraise version 3.7 - Based on Smultron by Peter Borg
+
+ Current Maintainer (since 2016): 
+ Andreas Bentele: abentele.github@icloud.com (https://github.com/abentele/Fraise)
 
-Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
+ Maintainer before macOS Sierra (2010-2016): 
+ Jean-François Moy: jeanfrancois.moy@gmail.com (http://github.com/jfmoy/Fraise)
+
+ Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
 
-http://www.apache.org/licenses/LICENSE-2.0
+ http://www.apache.org/licenses/LICENSE-2.0
 
-Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
-*/
+ Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
+ */
 
 #import <Cocoa/Cocoa.h>
 
 
 @interface FRAAdvancedFindController : NSObject <NSOutlineViewDelegate>
 {
-    IBOutlet NSWindow *advancedFindWindow;
+    IBOutlet NSWindow * advancedFindWindow;
     IBOutlet NSSearchField *findSearchField;
     IBOutlet NSSearchField *replaceSearchField;
     IBOutlet NSTextField *findResultTextField;
-    IBOutlet NSOutlineView *findResultsOutlineView;
+    IBOutlet NSOutlineView * findResultsOutlineView;
 	IBOutlet NSView *resultDocumentContentView;
 	IBOutlet NSTreeController *findResultsTreeController;
 
@@ -31,13 +33,11 @@ Unless required by applicable law or agreed to in writing, software distributed
 	IBOutlet NSButton *currentProjectScope;
 	IBOutlet NSButton *allDocumentsScope;
 	IBOutlet NSButton *parentDirectoryScope;
-
-	id currentlyDisplayedDocumentInAdvancedFind;
 }
 
-@property (assign) id currentlyDisplayedDocumentInAdvancedFind;
-@property (readonly) IBOutlet NSWindow *advancedFindWindow;
-@property (readonly) IBOutlet NSOutlineView *findResultsOutlineView;
+@property (unsafe_unretained) id currentlyDisplayedDocumentInAdvancedFind;
+@property (strong, readonly) IBOutlet NSWindow *advancedFindWindow;
+@property (strong, readonly) IBOutlet NSOutlineView *findResultsOutlineView;
 
 + (FRAAdvancedFindController *)sharedInstance;