This section contains information you need to understand and use Trex.

1. Introduction
    1.1. System Architecture
    1.2. Modular Architecture
    1.3. Directory Structure
    1.4. Routing
    1.5. Class Autoloading
    1.6. Debugging
2. Features
3. Installation
4. Configuration
5. Getting Started 
    5.1. Modules
        5.1.1. Module Architecture
        5.1.2. Directory Description
        5.1.3. Action Controllers Overview
        5.1.4. Configuration
        5.1.5. Invoking Modules
        5.1.6. Sharing data between modules
        5.1.7. Including other files
        5.1.8. Generators
    5.2. Action Controllers
        5.2.1. Assigning default values to parameters
        5.2.2. Assigning keys to parameters
    5.3. Views
        5.3.1. Introduction
        5.3.2. Page Layout
        5.3.3. Loading module templates
        5.3.4. Adding CSS and JS files
    5.4. Models
        5.4.1. Introduction
        5.4.2. Using Creole wrapper class
        5.4.3. Using Creole API
        5.4.4. Invoking Models
        5.4.5. Invoking Shared Models
        5.4.6. Getting Column Values
    5.5. Helpers
        5.5.1. Introduction
        5.5.2. Loading Helper Files
        5.5.3. Using Helpers
6. Built-in Modules
7. Module Management