fix specific exceptions

patch for #12

3.1

Support nsqlookupd.
Merge develop into master.

2.2

Add auth switch config.

2.1

Refactor code structure
Support auth

2.0

Support latest pkgs

1.0.1

Support most dependencies.

1.0

Support below pkg versions:

"monolog/monolog": "^1.23|^1.24",
"symfony/console": "^v4.0|^v4.1|^v4.2|^v4.3",
"react/event-loop": "^v0.4|^v0.5|^v1.1",
"bramus/monolog-colored-line-formatter": "^2.0"
"phpunit/phpunit": "^6.5"