Add verbose option
Merge pull request #5 from d10/verbose

Add verbose option
Shift all simulations to sims.py
Update readme [ci skip]
Add `.travis.yml` [closes #7]
Switch to MIT license.
Merge branch 'master' of https://github.com/wei2912/bce-simulation
Raise exception if step value is invalid.
1st try
Add `node_modules` to `.gitignore`
Bug fixes
Much bug

Such fix
Better output name

Fix typo
Deploy
Merge pull request #8 from wei2912/webUI

Web UI
Make files executable
Fix typo

Caused by commit 9c1bef09
Add UTF-8 encoding and remove unused module
Add coin grid, both command line & graph.
Add exception handling.