change mainnet denom

change euphoria denom

Merge pull request #214 from aura-nw/dev

Dev

fix typo

Merge pull request #198 from aura-nw/add-license

add apache 2 license to evm_util files

bump patch version

fix denom

bump patch version

Merge pull request #197 from aura-nw/euphoria

Merge from Euphoria

Merge pull request #196 from aura-nw/serenity

Merge from Serenity