implement mailimap X-GM-RAW
Added free()
One more time
Merge pull request #98 from CodaFi/X-GM-RAW-2

Implemented SEARCH X-GM-RAW.
wipe off a error report in gyp/gcc
tweak: use socklen_t replacing uint
Merge pull request #99 from yorkie/patch-1

replaced uint with socklen_t.
remove duplicate calls
Merge pull request #102 from yorkie/patch-1

remove duplicate calls
use `SSL_MODE_RELEASE_BUFFERS` to save memory
Windows native locks support
Merge pull request #103 from yorkie/patch-2

use `SSL_MODE_RELEASE_BUFFERS` to save memory
Fixed compile error on Windows
Fixed build without zlib
Fixed base64 encoding.
Compilation error on Windows with SSL enabled (#111)
Merge pull request #112 from Dunemaster/master

Compilation error on Windows with SSL enabled (#111)
Merge remote-tracking branch 'upstream/master'