Increase version number
Remove version from INSTALL, it is in setup.py
Fix typo in code thnx to Juan Fernando Jaramillo
(transplanted from 5d5ee6993620996a9ec6a247ace9420154e9983b)

--HG--
extra : transplant_source : %5D%5E%E6%996%20%99j%9E%C6%A2G%AC%E9B%01T%E9%98%3B
Prepare changelog for release 1.2.1
Added tag 1.2.1 for changeset 4d73cf68cf86
Increase version number
Increase version number
Change account 400 into receivable
(transplanted from b28bc0a770f7ff77f0ee21ac3b7ae2af79831e53)

--HG--
extra : transplant_source : %B2%8B%C0%A7p%F7%FFw%F0%EE%21%AC%3Bz%E2%AFy%83%1ES
Change account 400 into receivable
(transplanted from b28bc0a770f7ff77f0ee21ac3b7ae2af79831e53)

--HG--
extra : transplant_source : %B2%8B%C0%A7p%F7%FFw%F0%EE%21%AC%3Bz%E2%AFy%83%1ES
Update COPYRIGHT
Update COPYRIGHT
Prepare release 1.4.1
Added tag 1.4.1 for changeset 2947527f3380
Increase version number
Prepare changelog for release 1.2.2
Added tag 1.2.2 for changeset d1f82e0f2e48
Increase version number
Increase version number
Increase version number
Increase version number