simpler array syntax, new examples

Author: Evan Willhite

README.md

@@ -11,23 +11,39 @@ This creates:
 `<h1 class="title">`
 
 #### Block with modifiers (optional array allowing multiple modifiers):
-`<h1 {{ bem('title', (['small', 'red'])) }}>`
+`<h1 {{ bem('title', ['small', 'red']) }}>`
 
 This creates:
 
 `<h1 class="title title--small title--red">`
 
 #### Element with modifiers and blockname (optional):
-`<h1 {{ bem('title', (['small', 'red']), 'card') }}>`
+`<h1 {{ bem('title', ['small', 'red'], 'card') }}>`
 
 This creates:
 
 `<h1 class="card__title card__title--small card__title--red">`
 
 #### Element with modifiers, blockname and extra classes (optional - in case you need non-BEM classes):
 
-`<h1 {{ bem('title', (['small', 'red']), 'card', (['js-click', 'something-else'])) }}>`
+`<h1 {{ bem('title', ['small', 'red'], 'card', ['js-click', 'something-else']) }}>`
 
 This creates:
 
 `<h1 class="card__title card__title--small card__title--red js-click something-else">`
+
+#### Element with blockname, but no modifiers (optional):
+
+`<h1 {{ bem('title', '', 'card') }}>`
+
+This creates:
+
+`<h1 class="card__title">`
+
+#### Element with extra classes only (optional):
+
+`<h1 {{ bem('title', '', '', ['js-click']) }}>`
+
+This creates:
+
+`<h1 class="title js-click">`