fix parsing query string

src/main/java/com/github/nkzawa/parseqs/ParseQS.java

@@ -26,7 +26,7 @@ public class ParseQS {
         for (String _pair : pairs) {
             String[] pair = _pair.split("=");
             qry.put(Global.decodeURIComponent(pair[0]),
-                    pair.length > 0 ? Global.decodeURIComponent(pair[1]) : "");
+                    pair.length > 1 ? Global.decodeURIComponent(pair[1]) : "");
         }
         return qry;
     }

src/test/java/com/github/nkzawa/parseqs/ParseQSTest.java

@@ -25,6 +25,12 @@ public class ParseQSTest {
 
         queryObject = ParseQS.decode("india=new%20delhi");
         assertThat(queryObject.get("india"), is("new delhi"));
+
+        queryObject = ParseQS.decode("woot=");
+        assertThat(queryObject.get("woot"), is(""));
+
+        queryObject = ParseQS.decode("woot");
+        assertThat(queryObject.get("woot"), is(""));
     }
 
     @Test