Update Optionals for beta 7

Author: p2

OAuth2/OAuth2.swift

@@ -10,7 +10,7 @@ import Foundation
 
 let OAuth2ErrorDomain = "OAuth2ErrorDomain"
 
-enum OAuth2Error: Int {
+public enum OAuth2Error: Int {
 	case Generic = 600
 	case Unsupported
 	case NetworkError
@@ -175,8 +175,12 @@ public class OAuth2 {
 		comp.query = OAuth2.queryStringFor(urlParams)
 
 		let final = comp.URL
-		logIfVerbose("Authorizing against \(final.description)")
-		return final;
+		if nil == final {
+			NSException(name: "OAuth2InvalidURL", reason: "Failed to create authorize URL", userInfo: urlParams).raise()
+		}
+		
+		logIfVerbose("Authorizing against \(final!.description)")
+		return final!;
 	}
 
 	/**
@@ -308,11 +312,11 @@ public class OAuth2 {
 }
 
 
-func genOAuth2Error(message: String) -> NSError {
+public func genOAuth2Error(message: String) -> NSError {
 	return genOAuth2Error(message, .Generic)
 }
 
-func genOAuth2Error(message: String, code: OAuth2Error) -> NSError {
+public func genOAuth2Error(message: String, code: OAuth2Error) -> NSError {
 	return NSError(domain: OAuth2ErrorDomain, code: code.toRaw(), userInfo: [NSLocalizedDescriptionKey: message])
 }
 

OAuth2/OAuth2CodeGrant.swift

@@ -58,7 +58,7 @@ public class OAuth2CodeGrant: OAuth2 {
 		let body = comp.query
 		comp.query = nil
 
-		let post = NSMutableURLRequest(URL: comp.URL)
+		let post = NSMutableURLRequest(URL: comp.URL!)
 		post.HTTPMethod = "POST"
 		post.setValue("application/x-www-form-urlencoded; charset=utf-8", forHTTPHeaderField: "Content-Type")
 		post.HTTPBody = body?.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: true)

OAuth2/OAuth2WebViewController.swift

@@ -174,7 +174,7 @@ public class OAuth2WebViewController: UIViewController, UIWebViewDelegate
 	func dismiss(# asCancel: Bool, animated: Bool) {
 		webView.stopLoading()
 
-		presentingViewController.dismissViewControllerAnimated(animated) {
+		presentingViewController?.dismissViewControllerAnimated(animated) {
 			if nil != self.onDismiss {
 				self.onDismiss!(didCancel: asCancel)
 			}
@@ -198,7 +198,7 @@ public class OAuth2WebViewController: UIViewController, UIWebViewDelegate
 	}
 
 	public func webViewDidStartLoad(webView: UIWebView!) {
-		if "file" != webView.request.URL?.scheme {
+		if "file" != webView.request?.URL.scheme {
 			showLoadingIndicator()
 		}
 	}