enanched cursors in trie
removed bpos and unified cursor index
rename lookup functions/fields
use cursor.brpos intead lookup.bpos
added levin bin
update copyright years
added index search
implemented seek at index
added linear and natural search
add usage
added ab_trie examples
modified compactness factor def
modified compactness factor
refactored node with ordered list
fix check
rectory code naming convention
rename ab_next
search on binsearch
add more search alg
reshape code to abstract noditems
removed ew_del, enhanced readability of ab_trie
added OpenBSD support
add NetBSD support
added kqueue support
update version
added explicit found result status
add install instructions
add compability for python3
removed pyc
first commit
removed symbolic link
fix license