added control for parameter equals to 0 or lower to 0

Author: FrancescoDiSalesGithub

src/main/java/com/francescodisalesdev/gitcli/service/GitService.java

@@ -24,7 +24,7 @@ public List<String> getResult(String param,int page) throws IOException, ParseEx
 
         String URL;
 
-        if(page <0)
+        if(page <0 || page == 0)
             return  null;
 
         if(page == 1)