avoid extra string objects in the inner join case
Remove some test warnings
Merge pull request #116 from carlosantoniodasilva/remove-warnings

Remove some test warnings
Updated 3 gems:

* MiniTest from 2.2 to 4.3.3
* Hoe from 2.10 to 3.3.1
* Rdoc from 3.10 to 3.12
Merge pull request #151 from revans/update-gems-to-latest

Updated 3 gems
Make GROUP BY example more accurate and complete.
Merge pull request #152 from parkerl/master

Update README to have a better GROUP BY example Issue #86

Closes #86
Add oracle paging optimization discussed in issue 99
Denied the quoting of SqlLiterals
Merge pull request #159 from Noemj/master

SqlLiterals quoting fix
fixing bind param visiting in the dot visitor
Merge pull request #160 from t0m/issue_99_oracle_optimization

Small change to oracle paging code to trigger stopkey optimization
Fixed the bind param visiting for mysql2 prepared statements case
Added unit test for the mysql2 bind substitution
Merge pull request #161 from Noemj/master

Mysql2 prepared statements bind substitution fix