Log Message:
devel/ruby-pastel: add version 0.7.3 package

Add ruby-pastel version 0.7.3 package.

# Pastel

> Terminal output styling with intuitive and clean API that doesn't monkey
  patch String class.

**Pastel** is minimal and focused to work in all terminal emulators.

Pastel provides independent coloring component for TTY
(https://github.com/piotrmurach/tty) toolkit.

## Features

* Doesn't monkey patch `String`
* Intuitive and expressive API
* Minimal and focused to work on all terminal emulators
* Auto-detection of color support
* Allows nested styles
* Performant