Update README

README.md

@@ -17,9 +17,39 @@ To install the package run `go get github.com/tehjojo/go-newznab`
 To use it in your application, import `github.com/tehjojo/go-newznab/newznab`
 
 ## Library Usage
+
+Initialize a client:
 ```
 client := newznab.New("http://my-usenet-indexer/api", "my-api-key", false)
-results, _ := client.SearchWithTVRage(newznab.CategoryTVHD, 35048, 3, 1)
+
+```
+
+Search using a tvrage id:
+```
+categories := []int{
+    newznab.CategoryTVHD,
+    newznab.CategoryTVSD,
+} 
+results, _ := client.SearchWithTVRage(categories, 35048, 3, 1)
+```
+
+Search using an imdb id:
+```
+categories := []int{
+    newznab.CategoryMovieHD,
+    newznab.CategoryMovieBluRay,
+} 
+results, _ := client.SearchWithIMDB(categories, "0364569")
+```
+
+Search using a name and set of categories:
+```
+results, _ := client.SearchWithQueries(categories, "Oldboy", "movie")
+```
+
+Get latest releases for set of categories:
+```
+results, _ := client.SearchWithQuery(categories, "", "movie")
 ```
 
 ## Contributing