Refactoring
- refactoring MysqlDNS_core
- developing test for core functions
Phase I POC done!
- able to get zone information from mysqlDB
  - named.lst used to create table for zone to zone table name
  - table returns the zone records
- need to add test
  - zone2table
  - table names always unique
  - database available, configured and populated for queries

Next phase: CRUD functions