Refactor readdir()

Refactor readdir() in client and daemon:

• Streamline it with the rest of the code
• Add comments
• Remove exception throwing from client into application

changed milestone to %v0.8.0

added Bug Code Maintenance Refactoring labels

created merge request !55 (merged) to address this issue

mentioned in merge request !55 (merged)

closed via merge request !55 (merged)

mentioned in commit bcc08481