add Carbon package for parsing dates

add examples; add new keywords; add Carbon package for parsing dates;
add ability to set date format you want; add setters for all synonyms; add new type of synonyms - phrases indicate that domain is free;

2 new fields to Registrar

move Registrar.php and Whois.php from DTO to src; add 2 new fields to Registrar

First not bad working version

1.0.0

fix README.md; remove debug from test