Create LOXSpine object
renamed basePath to href in LOXSpineItem
Added properties to spine item
Spine serialization to JSON in progress
Merge branch 'release/0.4' into develop
Switched to develop branch of sdk
Merge branch 'develop' into feature/spine_info_to_webview
Fix layout integration in progress
Moving navigation functionality and spine data to JS (in progress)
onload bug fix
Changing host feedback calls (in progress)
Host app and JS layer synchronization (in progress)
Current pages info reporting bug fix
View cleanup and recreation bugs fix
Fixed bookmarks navigation for reflow able book
Fixing TOC navigation for reflow able view
Toc navigation from different spine item bug fix
Fix layout rendering implemented
Fixed layout bookmarking fix
Working with sdk shared pointers
Code cleanup
JS public API JSDocs