New function: "drawPage"

For users who just need to draw a pagination element(s) to a specific page. The "drawPage" function takes a page number as a parameter, and it sets the "currentPage" value to the page number given and draws the pagination element.
Merge pull request #41 from michael-misshore/updateItemsOnPage

New function: "updateItemsOnPage"
Merge pull request #42 from michael-misshore/drawPage

New function: "drawPage"