0.0.5

CHANGES:

• use eqaf and hash to test the password (@dinosaure, @hannesm, #41)
• fix isomorphism between of_seed/of_string and awa_gen_key tool (@dinosaure, @hannesm, #40)
• provide Keys.of_string (@dinosaure, @hannesm, #37)
• conflict awa with result < 1.5 (@hannesm, 1c3d2eb)