Increase version number
Increase version number
Increase version number
Avoid crash when weight is NULL

review1171003
issue3433
(transplanted from e9b490ba230159872772c6bd7c231c87e3ce11f6)

--HG--
extra : transplant_source : %E9%B4%90%BA%23%01Y%87%27r%C6%BD%7C%23%1C%87%E3%CE%11%F6
Avoid crash when weight is NULL

review1171003
issue3433
(transplanted from e9b490ba230159872772c6bd7c231c87e3ce11f6)

--HG--
extra : transplant_source : %E9%B4%90%BA%23%01Y%87%27r%C6%BD%7C%23%1C%87%E3%CE%11%F6
Increase version number
Prepare release 2.8.1
Added tag 2.8.1 for changeset ef26a246cc38
Increase version number
Prepare release 2.6.1
Added tag 2.6.1 for changeset ce8708800cad
Increase version number
null merge from 2.4
null merge from 2.6
null merge from 2.8
null merge from 3.0
Improve setup.py to allow dev publication

issue3436
issue1891
review2441002
Be safer with the on_change using One2Many values

review4261002