change cx_tree_link() from prepending to appending children - fixes #391 default tip

fix mixed up arguments for calloc()

add prototypes for cx_tree_add() family of functions feature/tree_add

minor doc fixes

add cxIteratorRef() macro

add missing convenience functions

fix name of collection base member (to avoid base.base)

fix inconsistent use of item_size and elem_size

(0) -300 -100 -30 -10 -8 tip

mercurial