Merge pull request #7 from carlosyslas/master

Upgrade npm modules

Update all dependencies to latest versions

Update `ledger-cli` dependency to 0.2.0

Merge pull request #4 from bruny/docs-branch

Add usage examples

Upgrade to latest `ledger-cli` package.

Updated depedency version of ledger-cli to 0.0.8

Use JSONStream to stringify and pipe JSON data.

Minor amendment to the README and added callback to the server listen function.

Allow filtering of register by account. Updated README with installation and usage instructions.

Bump version to 0.0.2 and publish to npm.

Updated ledger-cli dependency to version 0.0.3

Created spec for balance endpoint using JSON client.

Use JSONStream to stream JSON responses directly from ledger-cli.