             minimumValue: minimumValue,
             maximumValue: maximumValue,
 			stepSize: stepSize,
-            collectionName: collectionName,
-            groupName: groupName
+            collectionName: "Mixpanel",
+            groupName: "Mixpanel"
 		)
 	}
 }

     - parameter collectionName: the collection name of the tweak (do not set, optional)
     - parameter groupName:      the group name of the tweak (do not set, optional)
     */
	public init(tweakName: String, defaultValue: T, _ collectionName: String = "Mixpanel", _ groupName: String = "Mixpanel") {
		self.init(
            tweakName: tweakName,
            defaultValue: defaultValue,
			collectionName: collectionName,
			groupName: groupName
		)
	}
}

     - parameter minimumValue:   minimum value to allow for the tweak
     - parameter maximumValue:   maximum value to allow for the tweak
     - parameter stepSize:       step size for the tweak (do not set, optional)
     */
	public init(tweakName: String,
	            defaultValue: T,
	            min minimumValue: T? = nil,
	            max maximumValue: T? = nil,
	            stepSize: T? = nil) {

		// Assert that the tweak's defaultValue is between its min and max (if they exist)
		if clip(defaultValue, minimumValue, maximumValue) != defaultValue {
