Fixed problem with double query encoding by URLBuilder.

@@ -266,14 +266,8 @@ public class YoutrackAPI {
 
     public List<IssueWrapper> searchIssuesByProject(String project, Object filter) throws JAXBException, IOException
     {
-        final URI uri;
-        try {
-            uri = new URIBuilder(serviceLocation + "/rest/issue/byproject/" + project).addParameter("filter", filter == null ? null : filter.toString())
-                .build();
-        } catch (URISyntaxException e) {
-            throw new RuntimeException(e);
-        }
-        final Object result = YoutrackUnmarshaller.unmarshall(execute(new HttpGet(uri)));
+        final String url = serviceLocation + "/rest/issue/byproject/" + project + "?filter=" + (filter == null ? "" : filter);
+        final Object result = YoutrackUnmarshaller.unmarshall(execute(new HttpGet(url)));
         if (!(result instanceof Issues)) {
             throw new YoutrackAPIException("Unmarshalling problem. Expected Issues, received: " + result.getClass() + " " + result);
         }

@@ -5,6 +5,7 @@ import org.apache.http.HttpStatus;
 import org.apache.http.auth.AuthenticationException;
 import org.junit.Test;
 import pl.com.it_crowd.youtrack.api.Command;
+import pl.com.it_crowd.youtrack.api.Filter;
 import pl.com.it_crowd.youtrack.api.IssueWrapper;
 import pl.com.it_crowd.youtrack.api.YoutrackAPI;
 import pl.com.it_crowd.youtrack.api.defaults.Fields;
@@ -162,6 +163,9 @@ public class YoutrackAPITest {
             Assert.assertNotNull(summary);
             Assert.assertTrue(!"".equals(summary.trim()));
         }
+        api.createIssue("TST", "searchIssuesByProject " + System.currentTimeMillis(), "searchIssuesByProject");
+        issues = api.searchIssuesByProject("TST", Filter.stateFilter(StateValues.Unresolved));
+        Assert.assertTrue(!issues.isEmpty());
     }
 
     private String getPassword()