Gfycat Tests & Fix for bad reddit submissions

Added sanitization, and appropriate tests.
Task #361 - Some gfycat doesn't work

src/test/java/com/rarchives/ripme/tst/ripper/rippers/GfycatRipperTest.java

@@ -0,0 +1,32 @@
+package com.rarchives.ripme.tst.ripper.rippers;
+
+import com.rarchives.ripme.ripper.rippers.video.GfycatRipper;
+import java.io.IOException;
+import java.net.URL;
+
+
+public class GfycatRipperTest extends RippersTest {
+    
+    /**
+     * REDDIT TEST
+     * Tests a good GfycatURL (no "/gifs/detail")
+     * @throws IOException 
+     */
+    public void testRedditGfyGoodURL() throws IOException {
+        GfycatRipper ripper = new GfycatRipper(new URL("https://www.reddit.com/r/bottesting/comments/7msozf/good_link/"));
+        testRipper(ripper);
+    }
+    
+    
+    /**
+     * REDDIT TEST
+     * Tests a Bad URL with the "/gifs/detail" inside.
+     * @throws IOException 
+     */
+    public void testRedditGfyBadURL() throws IOException {
+        GfycatRipper ripper = new GfycatRipper(new URL("https://www.reddit.com/r/bottesting/comments/7msmhi/bad_link/"));
+        testRipper(ripper);
+    }
+    
+    
+}