bug fixes and improvements

fix multi process test bug
support python 3
add passed count
fix api error handling bug
add support to calculate total success time and avg success time
add support to set val type in shared counter
add initial r to single dialogue
add support to set timeout in api configs

bug fixes and function addistions

fix get username config logics

bug fixes and improvements

add open file debug log
fix bug in basic handler
add support to get method / set headers in single dialogue

Show chat key and wait before first question

v1.3.3

advance version code and add chatkey to output

v1.3.1 dns cache support

add dns cache support
use current time as log file append

v1.3

bug fixes and multi processing support

v1.2

bug fixes and stronger compatibility under python 3