[cgijs] v1.2.0

[feature] [improvement] [bugs]

1. Adding new file module's process based cgi execution.
2. Adding demos for file module.
3. Adding support to work and parse csv, ini, yaml, xml, json.
4. Adding tests for file, proxy, process modules.
5. Adding bug fixes for file module's process based cgi execution.

[improvements]
Adding new file module's process based cgi execution
Adding demos for file module

[feature]
Adding support to work and parse csv, ini, yaml, xml, json.

[Bug Fixes]
Adding tests for file, proxy, process modules.
Adding bug fixes for file module's process based cgi execution

[Future Plans]
Add more demos and tests for more coverage to cgi-js
Will deprecate file module's old version in next major commit. Currently the file module is backwards compatible.