refactor; move main code to functions
refactor; move main code to functions

- new functions:
  - parseArguments
  - previewWebsite
  - deleteDirectories
  - configureSettings
  - defineCommands
  - processResources
  - processTemplates
- minor updates.
- improve the log file.
- Version 0.1.15

andamira/webera,andamira/webera