giving the dialect a name

Want to differentiate between postgres and redshift
updating version for attribute addition
Depend on psycopg2 >= 2.5 as README states
Merge pull request #6 from mjschultz/patch-1

Depend on psycopg2 >= 2.5 as README states
updating version for new requirements update
Small setup updates.

Adding a setup.cfg file
Adding pytest support to setup.py
Adding redshift create table special syntax.

Adding diststyle support.
Adding distkey support.
Adding sortkey support.
Adding encode support.
Adding redshift create table special syntax.

Adding documentation
Adding redshift create table special syntax.

Python 3 fix.
Merge pull request #12 from aronkyle-lightspeedretail/Adding-DDL-Support

Adding ddl support for redshift special syntax
Adding option for parallel to unload command

Signed-off-by: Jason Myers <jason@jasonamyers.com>
Fixing tabs instead of spaces

Signed-off-by: Jason Myers <jason@jasonamyers.com>
Merge pull request #15 from jasonamyers/feature/parallel

Adding option for parallel to unload command