Added todo/join.pl
Added TOOD and CONCEPT for README.md
updated cpanfile.
Added setup_database.
Use example database by mysql.

http://dev.mysql.com/doc/index-other.html
Reseted Rno::ResultSet
create t::Schema::ResultSet#connect_info in setup_database.
Added select for Rno::ResultSet.
Added database connection feature.
added column and column_names for Rno::ResultSet.
cache! cache! cache! :pray:
Added all, first, single :poop:
Changed table names.
Added Rno::Result
generate column accessors at Rno::ResultSet
Returns HashRef or ArrayRef if $self is not instance.
Use columns
Added update/delete
Added t::Schema
Added tests for Rno::ResultSet.