Some minor changes. CDQI needs some housecleaning.

Author: Revolucent

CoreDataQueryInterface.xcodeproj/project.pbxproj

@@ -1093,7 +1093,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.prosumma.CoreDataQueryInterfaceTests;
 				PRODUCT_MODULE_NAME = CoreDataQueryInterfaceTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_SWIFT3_OBJC_INFERENCE = On;
 				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
@@ -1108,7 +1107,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.prosumma.CoreDataQueryInterfaceTests;
 				PRODUCT_MODULE_NAME = CoreDataQueryInterfaceTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_SWIFT3_OBJC_INFERENCE = On;
 				SWIFT_VERSION = 4.0;
 			};
 			name = Release;

CoreDataQueryInterface/Protocols.swift

@@ -144,9 +144,7 @@ extension KeyPathExpressionConvertible {
         }
         if let parentName = cdqiParent?.cdqiRawName {
             let index = key.index(key.startIndex, offsetBy: 1)
-//            let start = key.substring(to: index)
             let start = key[..<index]
-//            let remainder = key.substring(from: index)
             let remainder = key[index...]
             let name = "\(start.uppercased())\(remainder)"
             return "\(parentName)\(name)"