Update Changelog and VultrConfig with version 

Update VultrConfig Version of library 

Update documentation for release of version 1.0.0 (#14) * Baremetal documentation * Add billing documentation * Block storage documentation * Add DNS documentation * Add firewall documentation * ISO documentation * Add instance documentation * Add ModelOptions usage example to readme * Add kubernetes documentation * Update changelog * Ignore comment at the top of model * Load balancer documentation * Add object storage documentation * Add operating system documentation * Add plan documentation * Regions documentation * More documentation on models * More documentation * Add missing getAvailableVersions test for kubernetes service * Add exception test to getAvailableUpgrades for baremetal service handler * add missing json file * Add more documentation and grammar

Add phpdoc generation (#13) * Add phpdoc documentation generator * Add more comments

Update changelog and readme 

Finish Instance Service Handler 

#9 - Fix fatal error during firewall create rule, leaving out subnet_… …size if it was 0

Add version for new tag 

Finish VPC integration in instance service 

Implement getVPCs for instance service