use pypy.wheelbuiler to upload packages on pypi

use pypy.wheelbuiler to upload packages on pypi

use another option to test this behavior, since 'native' has differen…

…t defaults depending on the platform nowadays

add message to exception raise, i686 should also be supported

tag 0.4.11

bump version to 0.4.11.dev2 (pre release)

bump version (pre release)

wheel cannot load libunwind.so, wheel names them with a hash included…

… in the name (vmprof#157), direcly load from the main programs shared object handle

finally fix this spurious warnings which has been there forever

bump version