Allow getting pool pages as well as posts

Currently this clashes, meaning that there will be problems if you get
pools and then posts...

src/libdanbooru/danbooruservice.cpp

@@ -317,7 +317,8 @@ const QStringList DanbooruService::allowedRatings() const
 
 }
 
-int DanbooruService::currentPage() const {
+int DanbooruService::currentPage() const
+{
     return m_currentPage;
 }
 
@@ -340,6 +341,13 @@ void DanbooruService::nextPostPage()
     getPostList();
 }
 
+void DanbooruService::nextPoolPage()
+{
+    m_currentPage++;
+    getPoolList();
+}
+
+
 QStringList DanbooruService::postTags() const
 {
     return m_tags;

src/libdanbooru/danbooruservice.h

@@ -194,19 +194,24 @@ public:
      **/
     int maxPosts() const;
 
-
     /**
      * @brief Fetches the next page of posts.
-     *
-     * @return void
-     */
+     **/
     Q_INVOKABLE void nextPostPage();
 
+    /**
+     * @brief Fetches the next page of pools.
+     **/
+    Q_INVOKABLE void nextPoolPage();
+
     /**
      * @return A QStringList containing the currently-selected tags
-     */
+     **/
     QStringList postTags() const;
 
+    /**
+     * @brief Resets the service to the default state, clearing the page counters.
+     **/
     void reset();
 
     /**
@@ -215,8 +220,8 @@ public:
      * Posts with blacklisted tags are not downloaded.
      *
      * @param blacklist A QSet<QString> including unwanted tags.
-     * @return void
-     */
+     *
+     **/
     void setBlacklist(const QStringList& blacklist);
 
      /**
@@ -257,8 +262,8 @@ public:
      * @brief Set username for login.
      *
      * @param username The username to use.
-     * @return void
-     */
+     *
+     **/
     void setUserName(const QString& username);
 
     /**
@@ -268,9 +273,9 @@ public:
      * with a specific salt (which is board-dependent; check their
      * API access rules).
      *
-     * @param username The salted password to use.
-     * @return void
-     */
+     * @param password The salted password to use.
+     *
+     **/
     void setPassword(const QString& password);
 
     void setMaxPosts(int number);