Increase version number
Update COPYRIGHT
Don't include .pyc from tests
(transplanted from 63fb2879990edceb8c0f652cdf39fd0add8c087c)

--HG--
extra : transplant_source : c%FB%28y%99%0E%DC%EB%8C%0Fe%2C%DF9%FD%0A%DD%8C%08%7C
Increase version number
Add missing price_list for on_change of unit
(transplanted from 7c91fec15f7a5dadf0a631342451fbbfdd462ad9)

--HG--
extra : transplant_source : %7C%91%FE%C1_z%5D%AD%F0%A614%24Q%FB%BF%DDF%2A%D9
Add missing price_list for on_change of unit
(transplanted from 7c91fec15f7a5dadf0a631342451fbbfdd462ad9)

--HG--
extra : transplant_source : %7C%91%FE%C1_z%5D%AD%F0%A614%24Q%FB%BF%DDF%2A%D9
Increase version number
Prepare release 1.4.1
Added tag 1.4.1 for changeset 966929f51b9c
Increase version number
Prepare release 1.6.1
Added tag 1.6.1 for changeset 8cd8a61aaca4
Increase version number
Increase version number
Increase version number
Increase version number
Increase version number
Increase version number
Increase version number
null merge from 1.4