New version 1.2.0

Changelog:
 * Added TOC information to the doc

Author: danigm

Cargo.toml

@@ -12,7 +12,7 @@ keywords = [
 license = "GPL-3.0"
 name = "epub"
 repository = "https://github.com/danigm/epub-rs.git"
-version = "1.1.1"
+version = "1.2.0"
 
 [dependencies]
 failure = "0.1.2"