Chan-Ho Suh

Fix handshake code example, updating answer and comments.

2

Address issue #143: - fix boolean condition in example code - remove extra verack send - update answer accordingly - update `handshake` method comments

ch08 notebook: fix names/links for exercises 2 & 3

1

Several typos: - links to helper module are wrong - reload command takes in modules, not the test class - extraneous dots in the test running command

`TWO_WEEKS` is defined in `helper.py`, not `block.py`.

To match the inserted code, `commands` in the preceding context code should be replaced by `cmds`.

Markdown headers didn't render correctly as they didn't have a space after the pound signs.

Without the functionality of creating a ScriptSig with an uncompressed SEC for the public key, it is not possible to spend bitcoin sent to an address created from an uncompressed...

Please use microtype (`\usepackage{microtype}`). The weird jutting-out in the margins is killing my eyes! ;)