Updated copyright notice

Signed-off-by: Grégory PLANCHAT <g.planchat@gmail.com>
Added composer.json

Signed-off-by: Grégory PLANCHAT <g.planchat@gmail.com>
Fixed  a class alias error

Signed-off-by: Grégory PLANCHAT <g.planchat@gmail.com>
Updated HTTP's RequestHandler

Signed-off-by: Grégory PLANCHAT <g.planchat@gmail.com>
Updated sockets API

Signed-off-by: Grégory PLANCHAT <g.planchat@gmail.com>
Updated header comment

Signed-off-by: Grégory PLANCHAT <g.planchat@gmail.com>
Added protocol switching capability on HTTP protocol

Signed-off-by: Grégory PLANCHAT <g.planchat@gmail.com>