Standardize options in examples; add -v option for verbose output in …

…example scripts

Workaround PHP version spec for 8.1 in Travis

https://travis-ci.community/t/php-8-1-support/12439/20

LICENSE file should be LGPL

Fixes #18

Note: The SysCo PHP Radius implementation this is derived from was originally LGPL licensed.
The composer file always had the correct LGPL license, while the main LICENSE file was incorrect.

Migrate build testing to travis-ci.com

Merge pull request #17 from dapphp/2.5.5

2.5.5

Fix composer autoload for Crypt_CHAP_MSv2 in issue #4

Release 2.5.3

Fix LGPL license identifer

Test with Windows Server 2016 and release 2.5.1

Release 2.5.0