Replaced session.prepareStatement() to session.withPreparedStatement(){ }
Added support for loading slickDriver in typedsql config file. -- THIS NEEDS SOME TEST CODE
Removed certain unused commented out pieces of code.
Some simple refactoring including setting ConfigHandler properties to private and final.
Scraped CompileTimeConfiguration in favour of ConfigHandler
Added support for optional configuration overriding in ConfigHandler
Added trait ConnectionParameters for modular stacking of parameters from different sources - config file and ConfigHandler trait
Did some essential refactoring in MacroConnectionHandler
Renamed driver to jdbcDriver in config parameters