flutter_mqtt 1.0.0+5

a mqtt library to easy connect via tcp/ssl,dependence flutter_xtransport,developing,not stable.

1.0.0+5

• add export xtransport

1.0.0+4

• add timeout

1.0.0+3

• add instance

1.0.0+2

• futureWaitData attribute

1.0.0+1

• fix some bug,hide conn object

1.0.0

• Initial version.