1.0.9

add capital/withdraw/apply and authentication

1.0.8

add spot v3

1.0.7

add cancel_by_symbol

1.0.6

DELETE type authorize failed

1.0.5

Mxc address changed to Mexc

1.0.4

Signature Method 1 (with contract, recommended)

1.0.3

add contract

1.0.2

guzzlehttp update 7.*

1.0.1

update README.md

1.0.0

update README.md