On the master branch, create a few wallets with some tokens
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`npm start`
Activate one of the wallets
Wait for update to run, check wallet state in local storage to confirm token balances are saved as a string
Send a token tx
Burn a token
Confirm no dev log errors on SendToken page
Confirm no dev log error son CreateToken page
Create a token
Switch to another one of your wallets with token balance
Check dev log for `This wallet has token balance stored as a BigNumber`
Wait for update loop to run
Switch back to original wallet
Check dev log for `This wallet has token balance stored as a string`