Resolved #40 Add missing getter for PDOStatement

Revolved #39 apply styleci

Resolved #38 Insert Batch Helper - clean

Resolved #37, Update PSR-12

Update Tests,

Resolved #31, Update PHPDoc

Add 7.2

Resolved #22, Wrong order parametr LIMIT

Resolved #19, Add Chunk Interface

Merge pull request #9 from dframe/psr2

PSR2, Clean Code