[Snippet] [devHelper] Logger

Here it is; the humble hunchback of the debugger: LOGGER.

Logger is a simple class object, which brings depth to debugging.
You can follow execution paths and trace bugs with precision.

Installation: Simply copy and paste the snippet to your project! Just make sure Logger and its functions are defined before they are used.

Functions:
* Logger:log() – Normal log, as long as logger level is set to [All].
* Logger:warn() – Warning log, as long as logger level is set to [All] or [Errors & Warnings].
* Logger:error() – Error log.
* Logger:enter() – Enter new scope. Will be added to the scope-path when logging messages.
* Logger:exit() – Exit the current scope. Will remove the latest entry from the scope-path.

Rest of the functions are for Logger’s internal use only.

Usage:

-- normal log msg
Logger:log('we are in Main, and this only shows when we log All')

-- normal log msg with color
Logger:log('logger supports colors as well', Green)

function doSomething()
     -- enter new scope
    Logger:enter('doSomething')

    -- log a warning
    Logger:warn('this time we warn something at Main::doSomething')

    -- exit current scope
    Logger:exit()
end

doSomething()

-- log an error
Logger:error('execution stops here')