diff --git a/EasySIMBL.xcodeproj/project.pbxproj b/EasySIMBL.xcodeproj/project.pbxproj
index fcf3023..ecb207a 100644
--- a/EasySIMBL.xcodeproj/project.pbxproj
+++ b/EasySIMBL.xcodeproj/project.pbxproj
@@ -206,7 +206,7 @@
 		6C564477159E7C0800215467 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0440;
+				LastUpgradeCheck = 0500;
 			};
 			buildConfigurationList = 6C56447A159E7C0800215467 /* Build configuration list for PBXProject "EasySIMBL" */;
 			compatibilityVersion = "Xcode 3.2";
@@ -318,8 +318,13 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
@@ -332,7 +337,9 @@
 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				ONLY_ACTIVE_ARCH = YES;
@@ -344,15 +351,22 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				SDKROOT = macosx;
diff --git a/EasySIMBL.xcodeproj/xcshareddata/xcschemes/EasySIMBL.xcscheme b/EasySIMBL.xcodeproj/xcshareddata/xcschemes/EasySIMBL.xcscheme
index ec552dd..cc7217e 100644
--- a/EasySIMBL.xcodeproj/xcshareddata/xcschemes/EasySIMBL.xcscheme
+++ b/EasySIMBL.xcodeproj/xcshareddata/xcschemes/EasySIMBL.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0440"
+   LastUpgradeVersion = "0500"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/EasySIMBL/AppDelegate.m b/EasySIMBL/AppDelegate.m
index 7cb926c..2c19430 100644
--- a/EasySIMBL/AppDelegate.m
+++ b/EasySIMBL/AppDelegate.m
@@ -20,7 +20,7 @@ @implementation AppDelegate
 #pragma mark User defaults
 
 + (void)initialize {
-    NSDictionary *initialValues = [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithInteger:2],@"SIMBLLogLevel", nil];
+    NSDictionary *initialValues = [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithInteger:2],SIMBLPrefKeyLogLevel, nil];
     [[NSUserDefaults standardUserDefaults]registerDefaults:initialValues];
     [[NSUserDefaultsController sharedUserDefaultsController] setInitialValues:initialValues];
 }
diff --git a/EasySIMBL/ESPluginListManager.m b/EasySIMBL/ESPluginListManager.m
index e756685..fa5f8c4 100644
--- a/EasySIMBL/ESPluginListManager.m
+++ b/EasySIMBL/ESPluginListManager.m
@@ -66,7 +66,7 @@ - (NSMutableArray*)scanPluginsInDirectory:(NSString*)dir{
             NSString* name=[fileName stringByDeletingPathExtension];
             //check Info.plist
             NSBundle* bundle = [NSBundle bundleWithPath:path];
-            NSDictionary* info=[bundle infoDictionary];
+            NSDictionary* info=[bundle SIMBL_infoDictionary];
             NSString* bundleIdentifier=[bundle bundleIdentifier];
             if(![bundleIdentifier length])bundleIdentifier=@"(null)";
             
@@ -209,19 +209,19 @@ -(NSMenu*)menuForTableView:(NSTableView*)tableView row:(NSInteger)row
     
     
     [menu addItem:[NSMenuItem separatorItem]];
-    item = [menu addItemWithTitle:@"SIMBLTargetApplications:" action:nil keyEquivalent:@""];
+    [menu addItemWithTitle:@"SIMBLTargetApplications:" action:nil keyEquivalent:@""];
     NSDictionary* bundleInfo = [pluginInfo objectForKey:@"bundleInfo"];
-    NSArray* targetApps = [bundleInfo objectForKey:@"SIMBLTargetApplications"];
+    NSArray* targetApps = [bundleInfo objectForKey:SIMBLTargetApplications];
     for (NSDictionary* targetApp in targetApps) {
         NSNumber* number;
-        NSString* appID = [targetApp objectForKey:@"BundleIdentifier"];
+        NSString* appID = [targetApp objectForKey:SIMBLBundleIdentifier];
         NSInteger minVer = 0;
         NSInteger maxVer = 0;
-        number=[targetApp objectForKey:@"MinBundleVersion"];
+        number=[targetApp objectForKey:SIMBLMinBundleVersion];
         if (number) {
             minVer=[number integerValue];
         }
-        number = [targetApp objectForKey:@"MaxBundleVersion"];
+        number = [targetApp objectForKey:SIMBLMaxBundleVersion];
         if (number) {
             maxVer=[number integerValue];
         }
@@ -229,7 +229,9 @@ -(NSMenu*)menuForTableView:(NSTableView*)tableView row:(NSInteger)row
         item = [menu addItemWithTitle:appID action:nil keyEquivalent:@""];
         [item setIndentationLevel:1];
         if (minVer || maxVer) {
-            NSString* verStr=[NSString stringWithFormat:@"version:%li - %li", minVer, maxVer];
+            NSString* minVerStr = minVer ? [NSString stringWithFormat:@"%li", minVer] : @"";
+            NSString* maxVerStr = maxVer ? [NSString stringWithFormat:@"%li", maxVer] : @"";
+            NSString* verStr=[NSString stringWithFormat:@"version:%@ - %@", minVerStr, maxVerStr];
             item = [menu addItemWithTitle:verStr action:nil keyEquivalent:@""];
             [item setIndentationLevel:2];
         }
diff --git a/EasySIMBL/EasySIMBL-Info.plist b/EasySIMBL/EasySIMBL-Info.plist
index 70e4e3e..1066944 100644
--- a/EasySIMBL/EasySIMBL-Info.plist
+++ b/EasySIMBL/EasySIMBL-Info.plist
@@ -32,11 +32,11 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.4</string>
+	<string>1.5</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>6</string>
+	<string>7</string>
 	<key>LSApplicationCategoryType</key>
 	<string>public.app-category.utilities</string>
 	<key>LSMinimumSystemVersion</key>
diff --git a/README.md b/README.md
index 245e654..6aaad79 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@ EasySIMBL![EasySIMBL](https://github.com/norio-nomura/EasySIMBL/raw/master/icon.
 ====================================
 Changes from [original SIMBL](http://www.culater.net/software/SIMBL/SIMBL.php)
 ---------------------------
-- **OS X 10.7, 10.8**
+- **OS X 10.7, 10.8, 10.9**
 - **Reads plugins from `~/Library/Application Support/SIMBL/Plugins` only.**
 - **Never reads plugins from `/Library/Application Support/SIMBL/Plugins`.**
 - Support sandboxed application.
@@ -13,7 +13,7 @@ Changes from [original SIMBL](http://www.culater.net/software/SIMBL/SIMBL.php)
 
 How to install
 --------------
-1. Download [EasySIMBL-1.4.zip](http://github.com/downloads/norio-nomura/EasySIMBL/EasySIMBL-1.4.zip) (2012/11/11 updated)
+1. Download [EasySIMBL-1.5.zip](http://github.com/norio-nomura/EasySIMBL/releases/download/EasySIMBL-1.5/EasySIMBL-1.5.zip) (2013/10/26 updated)
 2. Extract and move `EasySIMBL.app` into `/Applications` or `~/Applications`.
 3. Launch `EasySIMBL.app` and make check `Use SIMBL`, then quit `EasySIMBL.app`.
 
@@ -28,6 +28,12 @@ How to uninstall
 1. Launch `EasySIMBL.app` then clear check `Use SIMBL`, then quit `EasySIMBL.app`.
 2. Move `EasySIMBL.app` into Trash.
 
+Tested combinations of OS X and applications
+--------------------------------------------
+- OS X 10.7.5 (11G63) : [Echofon for Mac 1.8.0](https://itunes.apple.com/jp/app/echofon-for-twitter/id403830270?mt=12) & [SimblPluginsForEchofon-1.4](https://github.com/norio-nomura/SimblPluginsForEchofon)
+- OS X 10.8.5 (12F45) : Safari 6.1 & [SafariStand 6.0.200](https://github.com/hetima/SafariStand), [Echofon for Mac 1.8.0](https://itunes.apple.com/jp/app/echofon-for-twitter/id403830270?mt=12) & [SimblPluginsForEchofon-1.4](https://github.com/norio-nomura/SimblPluginsForEchofon)
+- OS X 10.9 (13A603) : Safari 7.0 & [SafariStand 6.0.200](https://github.com/hetima/SafariStand), [Echofon for Mac 1.8.0](https://itunes.apple.com/jp/app/echofon-for-twitter/id403830270?mt=12) & [SimblPluginsForEchofon-1.4](https://github.com/norio-nomura/SimblPluginsForEchofon)
+
 License
 -------
 	Copyright 2003-2009, Mike Solomon <mas63@cornell.edu>
diff --git a/SIMBL.xcodeproj/project.pbxproj b/SIMBL.xcodeproj/project.pbxproj
index b1db853..789e6e7 100644
--- a/SIMBL.xcodeproj/project.pbxproj
+++ b/SIMBL.xcodeproj/project.pbxproj
@@ -206,6 +206,7 @@
 			isa = PBXProject;
 			attributes = {
 				BuildIndependentTargetsInParallel = YES;
+				LastUpgradeCheck = 0500;
 			};
 			buildConfigurationList = E0E8F445085F4D0400DCD56F /* Build configuration list for PBXProject "SIMBL" */;
 			compatibilityVersion = "Xcode 3.2";
@@ -357,7 +358,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_ENABLE_OBJC_ARC = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
@@ -369,7 +369,7 @@
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				ONLY_ACTIVE_ARCH = YES;
-				PRODUCT_VERSION = 0.10.5;
+				PRODUCT_VERSION = 0.10.6;
 				SDKROOT = macosx;
 			};
 			name = Debug;
@@ -378,7 +378,6 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_ENABLE_OBJC_ARC = YES;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = src/SIMBL_Prefix.pch;
@@ -389,7 +388,7 @@
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				ONLY_ACTIVE_ARCH = YES;
-				PRODUCT_VERSION = 0.10.5;
+				PRODUCT_VERSION = 0.10.6;
 				SDKROOT = macosx;
 			};
 			name = Release;
diff --git a/SIMBL.xcodeproj/xcshareddata/xcschemes/SIMBL Agent.xcscheme b/SIMBL.xcodeproj/xcshareddata/xcschemes/SIMBL Agent.xcscheme
index b5fa583..924bead 100644
--- a/SIMBL.xcodeproj/xcshareddata/xcschemes/SIMBL Agent.xcscheme	
+++ b/SIMBL.xcodeproj/xcshareddata/xcschemes/SIMBL Agent.xcscheme	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0440"
+   LastUpgradeVersion = "0500"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -42,7 +42,7 @@
    <LaunchAction
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      launchStyle = "0"
+      launchStyle = "1"
       useCustomWorkingDirectory = "NO"
       buildConfiguration = "Debug"
       ignoresPersistentStateOnLaunch = "NO"
diff --git a/SIMBL.xcodeproj/xcshareddata/xcschemes/SIMBL.xcscheme b/SIMBL.xcodeproj/xcshareddata/xcschemes/SIMBL.xcscheme
index 5802692..a638f47 100644
--- a/SIMBL.xcodeproj/xcshareddata/xcschemes/SIMBL.xcscheme
+++ b/SIMBL.xcodeproj/xcshareddata/xcschemes/SIMBL.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0440"
+   LastUpgradeVersion = "0500"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/src/SIMBL.h b/src/SIMBL.h
index 43dc297..9f17d5d 100644
--- a/src/SIMBL.h
+++ b/src/SIMBL.h
@@ -11,6 +11,8 @@
 
 @interface NSBundle (SIMBLCocoaExtensions)
 
+- (NSDictionary*) SIMBL_infoDictionary;
+- (id) SIMBL_objectForInfoDictionaryKey: (NSString*)key;
 - (NSString*) _dt_info;
 - (NSString*) _dt_version;
 - (NSString*) _dt_bundleVersion;
diff --git a/src/SIMBL.m b/src/SIMBL.m
index 49419ca..5e74122 100644
--- a/src/SIMBL.m
+++ b/src/SIMBL.m
@@ -14,24 +14,49 @@
 
 @implementation NSBundle (SIMBLCocoaExtensions)
 
+/*!
+ *  Non cached version of -infoDictionary
+ *
+ *  @return A dictionary, constructed from the bundle's Info.plist file, that contains information about the receiver.
+ *          If the bundle does not contain an Info.plist file, a empty dictionary is returned.
+ */
+- (NSDictionary*) SIMBL_infoDictionary;
+{
+    NSString* infoPath = [[self bundlePath]stringByAppendingPathComponent:@"/Contents/Info.plist"];
+    NSDictionary *dictionary = [NSDictionary dictionaryWithContentsOfFile:infoPath];
+    return dictionary;
+}
+
+/*!
+ *  Non cached and non localized version of -objectForInfoDictionaryKey: key
+ *
+ *  @param key A key in the receiver's property list.
+ *
+ *  @return The value associated with key in the receiver's property list (Info.plist).
+ */
+- (id) SIMBL_objectForInfoDictionaryKey: (NSString*)key
+{
+    return [[self SIMBL_infoDictionary]objectForKey:key];
+}
+
 - (NSString*) _dt_info
 {
-	return [self objectForInfoDictionaryKey: @"CFBundleGetInfoString"];
+	return [self SIMBL_objectForInfoDictionaryKey: @"CFBundleGetInfoString"];
 }
 
 - (NSString*) _dt_version
 {
-	return [self objectForInfoDictionaryKey: @"CFBundleShortVersionString"];
+	return [self SIMBL_objectForInfoDictionaryKey: @"CFBundleShortVersionString"];
 }
 
 - (NSString*) _dt_bundleVersion
 {
-	return [self objectForInfoDictionaryKey: (NSString*)kCFBundleVersionKey];
+	return [self SIMBL_objectForInfoDictionaryKey: (NSString*)kCFBundleVersionKey];
 }
 
 - (NSString*) _dt_name
 {
-	return [self objectForInfoDictionaryKey:(NSString*)kCFBundleNameKey];
+	return [self SIMBL_objectForInfoDictionaryKey:(NSString*)kCFBundleNameKey];
 }
 
 @end
@@ -175,12 +200,12 @@ + (BOOL) shouldApplication:(NSBundle*)_appBundle loadBundleAtPath:(NSString*)_bu
 	}
 	
 	// this is the new way of specifying when to load a bundle
-	NSArray* targetApplications = [pluginBundle objectForInfoDictionaryKey:SIMBLTargetApplications];
+	NSArray* targetApplications = [pluginBundle SIMBL_objectForInfoDictionaryKey:SIMBLTargetApplications];
 	if (targetApplications)
 		return [self shouldApplication:_appBundle loadBundle:pluginBundle withTargetApplications:targetApplications];
 	
 	// fall back to the old method for older plugins - we should probably throw a depreaction warning
-	NSArray* applicationIdentifiers = [pluginBundle objectForInfoDictionaryKey:SIMBLApplicationIdentifier];
+	NSArray* applicationIdentifiers = [pluginBundle SIMBL_objectForInfoDictionaryKey:SIMBLApplicationIdentifier];
 	if (applicationIdentifiers)
 		return [self shouldApplication:_appBundle loadBundle:pluginBundle withApplicationIdentifiers:applicationIdentifiers];