Bugfix
New .author, .title, .language properties with getter/setter.
Bugfix
Merge pull request #1 from Gluejar/master

Add unit tests, add file-like-object support
Merge pull request #2 from Gluejar/master

addmetadata method
Merge pull request #3 from Gluejar/master

fix addpart bug when epub has no guide
Merged master fixed conflict
#95e05a4 merged
Fixed broken test
Merge pull request #1 from gabalese/master

sync with gabalese/master