be more conservative about dependency versions
be more conservative about dependency versions

We had various examples in the past where new releases break mitmproxy completely. Just as of today, the lxml guys pushed a new release to pypi, but did not include wheels - you cannot install mitmproxy on Windows without a compiler installed now.
StevenVanAcker/mitmproxy,tdickers/mitmproxy,StevenVanAcker/mitmproxy,Kriechi/mitmproxy,dwfreed/mitmproxy,mitmproxy/mitmproxy,cortesi/mitmproxy,dweinstein/mitmproxy,dweinstein/mitmproxy,fimad/mitmproxy,bazzinotti/mitmproxy,ujjwal96/mitmproxy,xaxa89/mitmproxy,gzzhanghao/mitmproxy,Kriechi/mitmproxy,Endika/mitmproxy,zlorb/mitmproxy,mosajjal/mitmproxy,dweinstein/mitmproxy,dufferzafar/mitmproxy,vhaupert/mitmproxy,vhaupert/mitmproxy,tdickers/mitmproxy,zlorb/mitmproxy,Endika/mitmproxy,Kriechi/mitmproxy,cortesi/mitmproxy,jvillacorta/mitmproxy,tdickers/mitmproxy,mitmproxy/mitmproxy,mosajjal/mitmproxy,fimad/mitmproxy,MatthewShao/mitmproxy,cortesi/mitmproxy,vhaupert/mitmproxy,bazzinotti/mitmproxy,ujjwal96/mitmproxy,laurmurclar/mitmproxy,mitmproxy/mitmproxy,gzzhanghao/mitmproxy,ikoz/mitmproxy,ddworken/mitmproxy,StevenVanAcker/mitmproxy,laurmurclar/mitmproxy,ikoz/mitmproxy,dufferzafar/mitmproxy,dwfreed/mitmproxy,dufferzafar/mitmproxy,jvillacorta/mitmproxy,ParthGanatra/mitmproxy,tdickers/mitmproxy,bazzinotti/mitmproxy,StevenVanAcker/mitmproxy,mhils/mitmproxy,laurmurclar/mitmproxy,vhaupert/mitmproxy,mitmproxy/mitmproxy,MatthewShao/mitmproxy,ujjwal96/mitmproxy,mhils/mitmproxy,fimad/mitmproxy,dwfreed/mitmproxy,xaxa89/mitmproxy,ddworken/mitmproxy,zlorb/mitmproxy,ParthGanatra/mitmproxy,mhils/mitmproxy,mosajjal/mitmproxy,jvillacorta/mitmproxy,laurmurclar/mitmproxy,ParthGanatra/mitmproxy,ujjwal96/mitmproxy,gzzhanghao/mitmproxy,dufferzafar/mitmproxy,ikoz/mitmproxy,xaxa89/mitmproxy,gzzhanghao/mitmproxy,Kriechi/mitmproxy,mosajjal/mitmproxy,bazzinotti/mitmproxy,mitmproxy/mitmproxy,ddworken/mitmproxy,ikoz/mitmproxy,zlorb/mitmproxy,MatthewShao/mitmproxy,xaxa89/mitmproxy,Endika/mitmproxy,jvillacorta/mitmproxy,Endika/mitmproxy,mhils/mitmproxy,MatthewShao/mitmproxy,dwfreed/mitmproxy,dweinstein/mitmproxy,mhils/mitmproxy,fimad/mitmproxy,ddworken/mitmproxy,ParthGanatra/mitmproxy,cortesi/mitmproxy