Dizest

- dizest run command bug fixed

- add kill command
- wiz config changed (for pwa)

- apply natsort in drive api
- kernel api method usage changed: dizest.output(key1=value1, key2=value2)
- upgrade r kernel

- remove useless import
- python kernel
- add dizest.clear() function
- log sync on multi view
- enhanced plot log
- dizest.input logic changed: get last proceed result
- add dependencies: `pymysql`, `natsort`

- kernel logging updated
- port bug fixed on command line
- kernel communication changed (http to socket)
- process stabilization
- support dizest server command (daemon)
- child process bug fixed

- bug fixed at sudo spawner
- add executable option
- define dizest process server, kernel, spawner
- update workflow editor ui: codeflow, kernel selector, etc
- multi kernel support (support multi language like R)
- support 3rd party development (spawner, kernel)