add tests for the new low level functions

add several new linked list functions

add cx_linked_list_find()

add linked list tests for cxListAt()

add more nonnull attributes

add more explicit documentation to cx_linked_list_remove()

change contract of cx_linked_list_remove()

add cx_linked_list_first() + cx_linked_list_prepend()

remove cxListLast (can be realized via cxListAt and index=size-1)

add cx_linked_list_{prev, remove, reverse}

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

mercurial