Make semicov work without using semicolons

From the homepage:

> So, basically it should work very well for any code passed following jslint validations:
> - semicolons

I think it's necessary to make semicov work with code without semicolons, because most Node.js coders don't use semicolons.

I don't use them either.

Some of the reasons:
- https://npmjs.org/doc/coding-style.html
- http://mislav.uniqpath.com/2010/05/semicolons/

Are there any technical limitations?

Examine the semicov codebase to understand how it currently parses JavaScript and relies on semicolons. Look at the main parsing logic and the test suite to see what breaks without semicolons. The goal is to modify the tool to handle Automatic Semicolon Insertion (ASI) correctly. A good starting point is the project's README and any existing tests for coverage analysis.

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