Message Hook Window is working, Added BAR sendKeys and fixed colon key.

Message Hook Window is working and will allow you to see all messages
being processed by a target window.
Had to build Message Hook Window inside the native MsgHook.dll was
having issues keep a java window's WndProc callback processing.

native/MsgHook/org_synthuse_MsgHook.h

@@ -7,13 +7,37 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+/*
+ * Class:     org_synthuse_MsgHook
+ * Method:    createMsgHookWindow
+ * Signature: ()Z
+ */
+JNIEXPORT jboolean JNICALL Java_org_synthuse_MsgHook_createMsgHookWindow
+  (JNIEnv *, jobject);
+
+/*
+ * Class:     org_synthuse_MsgHook
+ * Method:    setMsgHookWindowTargetHwnd
+ * Signature: (I)Z
+ */
+JNIEXPORT jboolean JNICALL Java_org_synthuse_MsgHook_setMsgHookWindowTargetHwnd
+  (JNIEnv *, jobject, jint);
+
+/*
+ * Class:     org_synthuse_MsgHook
+ * Method:    setMsgHookWindowTargetClass
+ * Signature: (Ljava/lang/String;)Z
+ */
+JNIEXPORT jboolean JNICALL Java_org_synthuse_MsgHook_setMsgHookWindowTargetClass
+  (JNIEnv *, jobject, jstring);
+
 /*
  * Class:     org_synthuse_MsgHook
  * Method:    setMessageHook
- * Signature: (JJ)Z
+ * Signature: (II)Z
  */
 JNIEXPORT jboolean JNICALL Java_org_synthuse_MsgHook_setMessageHook
-  (JNIEnv *, jobject, jlong, jlong);
+  (JNIEnv *, jobject, jint, jint);
 
 /*
  * Class:     org_synthuse_MsgHook