aria2 - CLI Metalink/BitTorrent client

aria2 is a utility for downloading files. The supported protocols are HTTP(S),FTP,BitTorrent,Metalink. It can download a file from multiple sources/protocols and tries to utilize your maximum download bandwidth. 
 
 
This release adds the ability to verify peer using given trusted CA 
certificates and client certificate authentication in HTTPS. The 
ability to persistent connection using proxy and support for 
well-known envrionment variables for proxy settings were also added. 
The bug that caused segmentation fault during seeding was fixed. Now 
users can specify output filename and directory in input file. The 
average download speed are now printed in Download results. The 
following options are now enabled by default: --ftp-pasv and 
--enable-direct-io.