Chris Eastwood

@tlaguz @thowk If either of you have a chance, please take a look at branch issue-192 [issue-192 tree](https://github.com/sqlkata/querybuilder/tree/issue-192) Not done with refactoring I don't think but the concept is there...

Once I get a chance, I may boot up a docker container and test-- but that may not be right away

Succeeds Issue #16

@ahmad-moussawi Yes sir, the syntax is pretty much the same as that for SqlServer. I will be testing it against MySql here before committing that one up.

@Sharparam at present-- [SqlKata Documentation](https://sqlkata.com/docs/select), about half-way down the page look for the header 'Raw'. ```csharp var query = new Query("People") .Select("GroupId") .SelectRaw("SUM(`Age`)") .GroupBy("GroupId"); ``` Produces ```sql SELECT `GroupId`, SUM(`Age`)...