Support Fallbacks for Webpack and Babel

[p-98]

Correctly handle configs using fallbacks like

"paths": {
    "Types/*": ["../shared/src/types/*", "./src/types/*"],
}

when the format: 'array' option is set in the 'webpack' and 'babel' plugins.

Closes #79.

[davestewart]

Hey!

Sorry to miss this.

Taking a look this week.