ListIssues func respect state option (#122)

Author: 6543

issue.go

@@ -47,17 +47,17 @@ type ListIssueOption struct {
 
 func (c *Client) ListIssues(opt ListIssueOption) ([]*Issue, error) {
 	issues := make([]*Issue, 0, 10)
-	return issues, c.getParsedResponse("GET", fmt.Sprintf("/issues?page=%d", opt.Page), nil, nil, &issues)
+	return issues, c.getParsedResponse("GET", fmt.Sprintf("/issues?page=%d&state=%s", opt.Page, opt.State), nil, nil, &issues)
 }
 
 func (c *Client) ListUserIssues(opt ListIssueOption) ([]*Issue, error) {
 	issues := make([]*Issue, 0, 10)
-	return issues, c.getParsedResponse("GET", fmt.Sprintf("/user/issues?page=%d", opt.Page), nil, nil, &issues)
+	return issues, c.getParsedResponse("GET", fmt.Sprintf("/user/issues?page=%d&state=%s", opt.Page, opt.State), nil, nil, &issues)
 }
 
 func (c *Client) ListRepoIssues(owner, repo string, opt ListIssueOption) ([]*Issue, error) {
 	issues := make([]*Issue, 0, 10)
-	return issues, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/issues?page=%d", owner, repo, opt.Page), nil, nil, &issues)
+	return issues, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/issues?page=%d&state=%s", owner, repo, opt.Page, opt.State), nil, nil, &issues)
 }
 
 func (c *Client) GetIssue(owner, repo string, index int64) (*Issue, error) {