Requests-based downloader: set Content-Type header
Requests-based downloader: set Content-Type header

benthomasson/stdeb,benthomasson/stdeb,astraw/stdeb,pombredanne/stdeb,sathieu/stdeb,benthomasson/stdeb,LeMeteore/stdeb,pombredanne/stdeb,LeMeteore/stdeb,LeMeteore/stdeb,astraw/stdeb,astraw/stdeb,pombredanne/stdeb,sathieu/stdeb,sathieu/stdeb