Added checking for additional illegal characters in version and release numbers (Issue #18).
Merge pull request #39 from mbecker73/master

Added checking for additional illegal characters when setting version and release (Issue #18)
Implemented test for invalid characters in name.
Fix illegal characters in name.
Fixed corresponding test.
[maven-release-plugin] prepare release redline-1.1.13
[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare release 1.1.13
[maven-release-plugin] prepare for next development iteration
Updating SNAPSHOT, adding to README.
Convert README to markdown.