CLIENT: easy client

Signed-off-by: nils <nils.91@googlemail.com>
CLIENT: bugfix

Signed-off-by: nils <nils.91@googlemail.com>
CLIENT: bugfix

Signed-off-by: nils <nils.91@googlemail.com>
CLIENT: add JSON packager for message

Signed-off-by: nils <nils.91@googlemail.com>
ALL: improved JSON sending receiving

Signed-off-by: nils <nils.91@googlemail.com>
ALL: improved JSON sending receiving

Signed-off-by: nils <nils.91@googlemail.com>