refactoring towards 2.0
refactor the app to clean stuff up and move to the new design
Set autoloading to PSR-4
update to composer
Merge branch '2.0' of github.com:ShawnMcCool/database-backup into 2.0
composer.json fix
Create Archivers namespace, rename shell elements
Merge branch '2.0' of github.com:ShawnMcCool/database-backup into 2.0

* '2.0' of github.com:ShawnMcCool/database-backup:
  composer.json fix
  update to composer
move procedures to root package namespace
Say hello to the Command Pattern
Add MysqlCommands
Added error checking
Made Command class an interface
Move interfaces
Delete S3
Remove exceptions namespace, start on procedure
rename ShellProcessor
add working/ folder to gitignore
refactorings
remove config from repo
tidy up backupprocedure