Merge pull request #169 from XhmikosR/master

Updates docs & history.

diff --cc History.md
index 2dda205,e5f0399..70920da
--- 1/History.md
--- 2/History.md
+++ b/History.md
@@@ -4,10 -4,9 +4,10 @@@
  * Adds simplified and more advanced text escaping / restoring via `EscapeStore` class.
  * Adds simplified and much faster empty elements removal.
  * Adds missing `@import` processing to our benchmark (run via `npm run bench`).
 +* Fixed issue [#138](https://github.com/GoalSmashers/clean-css/issues/138) - makes CleanCSS interface OO.
  * Fixed issue [#157](https://github.com/GoalSmashers/clean-css/issues/157) - gets rid of `removeEmpty` option.
  * Fixed issue [#159](https://github.com/GoalSmashers/clean-css/issues/159) - escaped quotes inside content.
- * Fixed issue [#162](https://github.com/GoalSmashers/clean-css/issues/162) - strip quotes from base64 encoded URLs.
+ * Fixed issue [#162](https://github.com/GoalSmashers/clean-css/issues/162) - strip quotes from Base64 encoded URLs.
  * Fixed issue [#167](https://github.com/GoalSmashers/clean-css/issues/167) - `background:transparent` minification.
  * Adds CSS tokenizer which will make it possible to optimize content by reordering and/or merging selectors.
  * Adds basic optimizer removing duplicate selectors from a list.

diff --cc README.md
Simple merge