Index: ObjOpenSSL.xcodeproj/project.pbxproj
==================================================================
--- ObjOpenSSL.xcodeproj/project.pbxproj
+++ ObjOpenSSL.xcodeproj/project.pbxproj
@@ -5,13 +5,13 @@
 	};
 	objectVersion = 46;
 	objects = {
 
 /* Begin PBXBuildFile section */
-		4B19F58B14D17250005D52DC /* SSLInvalidCertificateException.h in Headers */ = {isa = PBXBuildFile; fileRef = 4B19F58714D17250005D52DC /* SSLInvalidCertificateException.h */; };
+		4B19F58B14D17250005D52DC /* SSLInvalidCertificateException.h in Headers */ = {isa = PBXBuildFile; fileRef = 4B19F58714D17250005D52DC /* SSLInvalidCertificateException.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		4B19F58C14D17250005D52DC /* SSLInvalidCertificateException.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B19F58814D17250005D52DC /* SSLInvalidCertificateException.m */; };
-		4B19F58D14D17250005D52DC /* X509Certificate.h in Headers */ = {isa = PBXBuildFile; fileRef = 4B19F58914D17250005D52DC /* X509Certificate.h */; };
+		4B19F58D14D17250005D52DC /* X509Certificate.h in Headers */ = {isa = PBXBuildFile; fileRef = 4B19F58914D17250005D52DC /* X509Certificate.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		4B19F58E14D17250005D52DC /* X509Certificate.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B19F58A14D17250005D52DC /* X509Certificate.m */; };
 		4B4F087813A01EEF00B60C3F /* ObjOpenSSL.h in Headers */ = {isa = PBXBuildFile; fileRef = 4B4F087713A01EEF00B60C3F /* ObjOpenSSL.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		4BD0AAEC1341289500445289 /* SSLSocket.h in Headers */ = {isa = PBXBuildFile; fileRef = 4BD0AAEA1341289500445289 /* SSLSocket.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		4BD0AAED1341289500445289 /* SSLSocket.m in Sources */ = {isa = PBXBuildFile; fileRef = 4BD0AAEB1341289500445289 /* SSLSocket.m */; };
 		4BD0AAEF134128B200445289 /* ObjFW.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 4BD0AAEE134128B200445289 /* ObjFW.framework */; };
@@ -96,12 +96,12 @@
 		4B1918E71341272300D82152 /* Headers */ = {
 			isa = PBXHeadersBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
 				4B4F087813A01EEF00B60C3F /* ObjOpenSSL.h in Headers */,
-				4BD0AAEC1341289500445289 /* SSLSocket.h in Headers */,
 				4B19F58B14D17250005D52DC /* SSLInvalidCertificateException.h in Headers */,
+				4BD0AAEC1341289500445289 /* SSLSocket.h in Headers */,
 				4B19F58D14D17250005D52DC /* X509Certificate.h in Headers */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 /* End PBXHeadersBuildPhase section */
@@ -128,10 +128,13 @@
 /* End PBXNativeTarget section */
 
 /* Begin PBXProject section */
 		4B1918E01341272300D82152 /* Project object */ = {
 			isa = PBXProject;
+			attributes = {
+				LastUpgradeCheck = 0420;
+			};
 			buildConfigurationList = 4B1918E31341272300D82152 /* Build configuration list for PBXProject "ObjOpenSSL" */;
 			compatibilityVersion = "Xcode 3.2";
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
@@ -160,12 +163,12 @@
 /* Begin PBXSourcesBuildPhase section */
 		4B1918E51341272300D82152 /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				4BD0AAED1341289500445289 /* SSLSocket.m in Sources */,
 				4B19F58C14D17250005D52DC /* SSLInvalidCertificateException.m in Sources */,
+				4BD0AAED1341289500445289 /* SSLSocket.m in Sources */,
 				4B19F58E14D17250005D52DC /* X509Certificate.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 /* End PBXSourcesBuildPhase section */
@@ -182,11 +185,10 @@
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				ONLY_ACTIVE_ARCH = YES;
-				SDKROOT = macosx;
 			};
 			name = Debug;
 		};
 		4B1918FB1341272300D82152 /* Release */ = {
 			isa = XCBuildConfiguration;
@@ -195,11 +197,10 @@
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.6;
-				SDKROOT = macosx;
 			};
 			name = Release;
 		};
 		4B1918FD1341272300D82152 /* Debug */ = {
 			isa = XCBuildConfiguration;
@@ -209,11 +210,10 @@
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				FRAMEWORK_VERSION = A;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
-				GCC_VERSION = com.apple.compilers.llvmgcc42;
 				INFOPLIST_FILE = Info.plist;
 				OTHER_CFLAGS = (
 					"-I/opt/local/include",
 					"-fconstant-string-class=OFConstantString",
 					"-fno-constant-cfstrings",
@@ -243,11 +243,10 @@
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				FRAMEWORK_VERSION = A;
 				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
-				GCC_VERSION = com.apple.compilers.llvmgcc42;
 				INFOPLIST_FILE = Info.plist;
 				OTHER_CFLAGS = (
 					"-I/opt/local/include",
 					"-fconstant-string-class=OFConstantString",
 					"-fno-constant-cfstrings",