MySQL: Execute MySQL queries from lists of parameters

This class can be use to execute MySQL database queries from lists of parameters.

It can connect to a MySQL database given a data source string identifier.

The class can execute SQL SELECT queries and return the results as arrays with a single result set column, single result set row, all rows and columns in a result set, or an individual value from the first column and row of the result set.

It can also return the number of rows in a result set and execute multiple queries in a single call.