Randy808

Add Credential Support

3

Adds support for cookies, and the ability to make cross domain requests.

**Which part needs editing?** Chapter 7, under the _Advancing the channel state_ section. Specifically line 633 on commit 01b7bc9. Please let me know if I misunderstood something in my assessment...

Cookie file parsing doesn't ignore trailing whitespace / newlines

2

When testing this out I was getting an error because of a trailing newline in my .cookie file

scriptpubkey_to_address() does not give clear error messages

2

After attempting to use the library function `scriptpubkey_to_address` from the Python distribution, I got the error message `ValueError: Invalid argument` This was the line I used to invoke the function:...