Prepare for release 0.2.0.

Prepare next development version.

We use p for Gradle projects and d for File directories on disk. We
could have used any identifier but choosing the same letter is a bit of
a mind bender for newbies that are not familiar.

We also change the diagram to better match how the code sets up the
projects.

This provides support for quixotic projects.

Fix README typo's

- Previously you could exclude by module name (#54)
- Now you can still exclude by module name but also exclude against module path using a regex

For a module like ``:a:b:c:d`

the name is "d" and the path is ":a:b:c:d".

You could now exclude using multiple styles:

```
excludedModules = [
   "d",
   ":a:b:c:d",
   ":.+:d",
]
```
(you would just use one of the 3 above strings.)

…gex-3

Allow exclude by regex

Support exotic gradle projects

Co-authored-by: Josh Feinberg <joshfeinberg@dropbox.com>

Use basedir if available for figuring out relative file paths