add implementation for the properties parser

add ucx2.1 style interface for a properties parser

also report coverage for header files

make loc_prev in trees optional - fixes #433

update CHANGELOG

add possibility to remove arrays of data and retrieve removed data

add cxTreeSetParent()

add functions to start iteration in a subtree

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

mercurial