moving some methods in book (before their deletion ...)
better standardization of cache filling
better display
added a test for missing tags
seems like empty author names came from this
no more triming in templates !
nesting a template into post rendering to allow book cover display
generating those assembly will help me distribute the site in the easiest fashion (as an example to a smartphone for offline browsing)
added wordpress sourced links
added wordpress sourcing
better image isolation