Improve readability

[carpawell]

Ideals are unattainable, but let's try. It is a placeholder for my (at least) readability problems with this repo:

• Generating range hashes func is not straight, could be better
• Forming a new bearer token requests a table from the network as a base, not generating from scratch, why? I have already mentioned this in some issue but the change was not accepted.
• ...