Added stubs for the server-side crypt utilities, with implementations for generate_salt and generate_challenge.
Added code for nonce validation.
Signature checking is going to require a public key.
Add encryption and decryption of objects.
Move filters into own file
Add Send page back
restructuring of templates
inital trade page commit
add api endpoint change
Add timeframe to search
Change logo and favicon
Merge branch 'Crypto-Utils' of github.com:curtislacy/omniwallet into merge-144-148-155
Merge branch 'new_tradepage_2' of https://github.com/faizkhan00/msc-webwallet into merge-144-148-155
Merge branch 'Rebrand-Logo' of https://github.com/maddenpj/msc-webwallet into merge-144-148-155