create ethstring.js

 copied from: https://github.com/d11e9/androlo.github.io/blob/4acdc2dd4abd5b2520a56385a4a97ad970e9cb4e/andreasweb2/script/eth/ethstring.js
create eth.js

copied from: https://github.com/d11e9/androlo.github.io/blob/4acdc2dd4abd5b2520a56385a4a97ad970e9cb4e/andreasweb2/script/eth/eth.js
Create BigInteger.js

copied from: https://github.com/d11e9/androlo.github.io/blob/f036f633e78056d7d1e13e88557c0aa84fb8877a/andreasweb2/script/eth/BigInteger.js
Merge pull request #1 from d11e9/master

Grab eth work in progress from @androlo