Support various submission related features

In the current release, the tool has been enhanced to support

• Fetching submissions from challenge

• Fetching artifacts of a submission

• Allow global configuration of Topcoder credentials using topcoder config command.

• Allowing usage of M2M tokens to submit / fetch submissions or artifacts.

• Documentation published in github pages

Stay tuned for more features :)

1.0.2 release moar cleanup

v1.0.2

v bump for pub

1.0.1 release cleanup

v1.0.1

bump v

1.0.0 release

first release!