Clean comments from ping() method

v0.0.17

Clean comments from ping() method

Use seconds as the unit of sleep

v0.0.16

Use seconds as the unit of sleep

Add holdConnection method

v0.0.15

add holdConnection method

Remove logic code for reconnect

v0.0.14

Remove logic code for reconnect

Add some logs for Client

v0.0.13

Add some logs for client.

Add OnConnect() set connected callback funcion to Client.

v0.0.12

Add OnConnect() set connected callback funcion to Client.

Fix repeat connect and init ping value.

v0.0.11

Fix repeat connect and fix init ping value.

Fix repeat close

v0.0.10

Fix repeat close

Fix reconnect ..

v0.0.9

Fix connecting ..

Fix pingValue to -1

v0.0.8

Test for stop timer and set pingvalue to -1