pro edition payment procedure update

changelog for #343

we provide params via construct_request_kwargs now

forward all requests params to request method

changelog for #336

redminelib/resources: add eq methods (#336)

fix python 3.7 tests on macos

fix build target link

fix github badge rendering by using inline images

version bump [ci skip]

product image support

set container and params in manager update method

contact avatar support

original filename for uploads if filename not set

mention invoice order attr conversion fix