Update comments for asset-swapper

[dave4506]

Description

Testing instructions

Types of changes

Checklist:

• Prefix PR title with [WIP] if necessary.
• Add tests to cover changes as needed.
• Update documentation as needed.
• Add new entries to the relevant CHANGELOG.jsons.

[buildsize]

File name	Previous Size	New Size	Change
init.py	6.66 KB	141.32 KB	134.66 KB (2022%)
abi_gen_dummy.ts	103.94 KB	[deleted]
lib_dummy.ts	4.74 KB	[deleted]
test_lib_dummy.ts	11.37 KB	[deleted]
environment.pickle	[new file]	1.56 MB
index.doctree	[new file]	189.53 KB
.buildinfo	[new file]	230 bytes
genindex.html	[new file]	5.6 KB
index.html	[new file]	2.52 KB
objects.inv	[new file]	375 bytes
py-modindex.html	[new file]	3.07 KB
search.html	[new file]	2.81 KB
searchindex.js	[new file]	5.83 KB
index.rst.txt	[new file]	415 bytes
alabaster.css	[new file]	10.92 KB
basic.css	[new file]	11.83 KB
custom.css	[new file]	42 bytes
doctools.js	[new file]	9.05 KB
documentation_options.js	[new file]	303 bytes
file.png	[new file]	286 bytes
jquery-[version].js	[new file]	261.76 KB
jquery.js	[new file]	84.63 KB
language_data.js	[new file]	10.59 KB
minus.png	[new file]	90 bytes
plus.png	[new file]	90 bytes
pygments.css	[new file]	4.69 KB
searchtools.js	[new file]	15.61 KB
underscore-[version].js	[new file]	34.34 KB
underscore.js	[new file]	11.86 KB
contract_addresses.html	[new file]	16.87 KB
contract_artifacts.html	[new file]	7.94 KB
_bootstrap.html	[new file]	142.73 KB
json_schemas.html	[new file]	12.43 KB
order_utils.html	[new file]	44.87 KB
erc20_token.html	[new file]	80.14 KB
exchange.html	[new file]	458.9 KB
tx_params.html	[new file]	8.83 KB
local_message_signer.html	[new file]	15.07 KB
asset_data_utils.html	[new file]	22.65 KB
default_api.html	[new file]	118.49 KB

[coveralls]

Coverage increased (+0.0007%) to 82.121% when pulling 0f90b7b on feature/asset-swapper/update-comments-info into 50f1a8f on development.