diff --git a/Persephone.xcodeproj/project.pbxproj b/Persephone.xcodeproj/project.pbxproj
index 04eba1a..13dddb1 100644
--- a/Persephone.xcodeproj/project.pbxproj
+++ b/Persephone.xcodeproj/project.pbxproj
@@ -1433,7 +1433,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 1130;
-				LastUpgradeCheck = 0940;
+				LastUpgradeCheck = 1200;
 				ORGANIZATIONNAME = "Dan Barber";
 				TargetAttributes = {
 					E40786172110CE6E006887B1 = {
@@ -1961,6 +1961,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -2022,6 +2023,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
diff --git a/Persephone.xcodeproj/xcshareddata/xcschemes/Persephone.xcscheme b/Persephone.xcodeproj/xcshareddata/xcschemes/Persephone.xcscheme
index 5b48df2..22e4659 100644
--- a/Persephone.xcodeproj/xcshareddata/xcschemes/Persephone.xcscheme
+++ b/Persephone.xcodeproj/xcshareddata/xcschemes/Persephone.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1010"
+   LastUpgradeVersion = "1200"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Persephone.xcodeproj/xcuserdata/danbarber.xcuserdatad/xcschemes/xcschememanagement.plist b/Persephone.xcodeproj/xcuserdata/danbarber.xcuserdatad/xcschemes/xcschememanagement.plist
index 4562f33..b1ebf33 100644
--- a/Persephone.xcodeproj/xcuserdata/danbarber.xcuserdatad/xcschemes/xcschememanagement.plist
+++ b/Persephone.xcodeproj/xcuserdata/danbarber.xcuserdatad/xcschemes/xcschememanagement.plist
@@ -4,6 +4,48 @@
 <dict>
 	<key>SchemeUserState</key>
 	<dict>
+		<key>CryptoSwift (Playground) 1.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>3</integer>
+		</dict>
+		<key>CryptoSwift (Playground) 2.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>4</integer>
+		</dict>
+		<key>CryptoSwift (Playground).xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>2</integer>
+		</dict>
+		<key>Graph (Playground) 1.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>12</integer>
+		</dict>
+		<key>Graph (Playground) 2.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>13</integer>
+		</dict>
+		<key>Graph (Playground).xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>8</integer>
+		</dict>
 		<key>Persephone-iOS.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
@@ -19,6 +61,48 @@
 			<key>orderHint</key>
 			<integer>0</integer>
 		</dict>
+		<key>Playground (Playground) 1.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>10</integer>
+		</dict>
+		<key>Playground (Playground) 2.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>11</integer>
+		</dict>
+		<key>Playground (Playground).xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>9</integer>
+		</dict>
+		<key>PromiseKit (Playground) 1.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>6</integer>
+		</dict>
+		<key>PromiseKit (Playground) 2.xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>7</integer>
+		</dict>
+		<key>PromiseKit (Playground).xcscheme</key>
+		<dict>
+			<key>isShown</key>
+			<false/>
+			<key>orderHint</key>
+			<integer>5</integer>
+		</dict>
 		<key>libmpdclient.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>