Add Category struct and change GetUsersSuggestions to use it (#228)

* Add Category struct for lists of user categories

* Use Category type instead of User

* Add Slug and Size

* Add Suggestions struct

* Add GetUsersSuggestionsBySlug method

Author: DylanGraham

twitter_entities.go

@@ -72,3 +72,14 @@ type Variant struct {
 	ContentType string `json:"content_type"`
 	Url         string `json:"url"`
 }
+
+type Category struct {
+	Name string `json:"name"`
+	Slug string `json:"slug"`
+	Size int    `json:"size"`
+}
+
+type Suggestions struct {
+	Category
+	Users []User
+}

users.go

@@ -55,13 +55,19 @@ func (a TwitterApi) GetUserSearch(searchTerm string, v url.Values) (u []User, er
 	return u, (<-response_ch).err
 }
 
-func (a TwitterApi) GetUsersSuggestions(v url.Values) (u []User, err error) {
+func (a TwitterApi) GetUsersSuggestions(v url.Values) (c []Category, err error) {
 	v = cleanValues(v)
-	// Set other values before calling this method:
-	// page, count, include_entities
 	response_ch := make(chan response)
-	a.queryQueue <- query{a.baseUrl + "/users/suggestions.json", v, &u, _GET, response_ch}
-	return u, (<-response_ch).err
+	a.queryQueue <- query{a.baseUrl + "/users/suggestions.json", v, &c, _GET, response_ch}
+	return c, (<-response_ch).err
+}
+
+func (a TwitterApi) GetUsersSuggestionsBySlug(slug string, v url.Values) (s Suggestions, err error) {
+	v = cleanValues(v)
+	v.Set("slug", slug)
+	response_ch := make(chan response)
+	a.queryQueue <- query{a.baseUrl + "/users/suggestions/" + slug + ".json", v, &s, _GET, response_ch}
+	return s, (<-response_ch).err
 }
 
 // PostUsersReportSpam : Reports and Blocks a User by screen_name