Changes in v1.27.0 :
build: Fixed accidental compiler flags concatenation for MSVC (Patch from LazyHamster) (GH-1029)
build: Reduce libxml2 version requirement to 2.6.26 (Patch from Mike Lothian) (GH-1020)
asio: Support for Windows / MinGW (Patch from Daniel Evers) (GH-1027)
h2load: Print out h2 header fields with --verbose option (GH-1015)
nghttpx: Send non-final response to HTTP/1.1 or HTTP/2 client only (GH-1016)
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>