Hopefully fixed go.mod

Fixed print statement.

Updated README

Added go.mod

Corrected byte count returned.

Edited Reader to be empty struct.

Added Reader.

Corrected the spelling of pseudo!

Added check of success on data returned.

Changed panic to return.

Merge pull request #2 from jadr2ddude/patch-1

Create LICENSE

Switch to struct{} for PseudoRandomError

Changed to crypto/rand fallback.

Added README.md