Bump to version 1.0.2

This version contains some bugfixes.

* Fix panic when config does not validate
* Fix some other error logic in the cli

add package info to Cargo.toml

Bump to version 0.10.0

This version adds two new themes.

* icelines theme by @mbfraga
* mate theme by @bkhl

Bump to version 0.9.0

Version 0.9.0 adds the gruvbox theme by @freeware-preacher.

Bump to version 0.8.0

Because I made a mistake publishing 0.7.0. See previous commit for
changes.

Bump to version 0.5.0

Version 0.5.0 adds the following new themes:

* The purple theme by @aalakkad
* The base-16-tomorrow theme by @parnmatt

Bump to version 0.4.0

Version 0.4.0 includes the following new features

* the tomorrow-night-80s theme by @jmfurlott
* the --to-theme switch to convert a config file to a theme

Bump to version 0.3.0

Version 0.3.0 adds the Slate theme and the Seti theme.

Bump to version 0.2.3

Bump to version 0.2.2