Added tests for PR #224

Update limitbalance.rst

Update pullpayment.rst

[bugfix] windows incompatibilty

- Spender starts with 0 tokens allowed to spend
- Spender is granted 50, then decreased it's allowance by 10

Refs PR #224

Added increaseApproval and decreaseApproval to increase / decrease the approval in 1 transaction.

Fixed typo

Fixed typo

Remove main field from package.json

Make Travis run tests and coverage in parallel

Fix PausableToken documentation

fix for issue 375: transferFrom allows sending to self more than self balance

Fixed typos in documentation

Fixed typo in documentation

Fix mispelled words (#371)

recieve -> receive

Remove moment.js dependencies

Remove beta tag from truffle

truffle@beta uses old solc 0.4.11
truffle main branch uses most up to date 0.4.15

Remove token.finishMinting() from default finalization

Sync yarn.lock file with package-lock.json

1. deleted node_modules
2. ran `npm install`
3. deleted yarn.lock
4. ran `yarn import`

Upgrade solidity coverage to ^0.2.1