add cxListFindRemove and cx_linked_list_find_node

make cx_cmp_ptr default comparator for pointer lists - relates to #340

add cx_cmp_ptr() - fix #340

add cxBufferReset() - resolves #338

update build instructions

increase version number to 3.1

(0) -300 -100 -30 -10 -6 +6 +10 +30 +100 tip

mercurial