#Evolution Land

1. this project is a part of evolutionland
2. this part is based on truffle framework

###Contributor notice
please add the following files in .gitignore:
- package*.json
- truffle*.js

$3

> for mac user only
``bash

check if the solidity version in truffle match the one in contracts

$ truffle version
# if these two don't match, please update the solcjs in truffle to match them
$ cd /usr/local/lib/node_modules/truffle
$ npm install solc@0.4.23
``

after the operations above, problem solved.

#### NOTE
openZeppelin related dependency's name is :"openzeppelin-solidity", not "zeppelin-solidity"