ack,nack,wpi msgs / bucket case / stream max age config

• jetstream ack/nack/wpi msgs fix by @chazzbg
• bucket case fix by @BZValoche
• stream max age configuration by @digibeuk

client.disconnect method

thanks @digibeuk

bucket null values getter

0.22.0

bucket null values getter

stream purge / error checking / readme fix

thanks @g41797, @ro0NL and @edipoelwes2

stream replica configuration fix / ping prolongate check fix

thanks @ro0NL

message queue

see queue usage examples in readme (pub/sub and consumer examples)

extend connection exception log

by @ro0NL

info message type assertion fix

0.19.1

info message type assertion fix

refactor connection management

0.19.0

refactor connection management

skip ping on message fetch

0.18.4

skip ping on message fetch