Content-length

• Return content length if buffering finished e058135
• Log request headers faadd1d

Fix cat

• Fix output of non-decorated output d80166e

Windows compatibility

• --file option 067382a
• Progress bars, show help on missing stdin c52c5f9
• Improve stdin end detection ed94d94
• Handle the case when can't determine mimetype yet 2c47b7c