v1.5

[man90es]

• Completely refactor all code
• Implement a custom caching solition to fix problems with cache (https://github.com/man90es/BDO-REST-API/issues/12)
• Add translations for the new Scholar class
• Fix detection of player guild privacy settings (https://github.com/man90es/BDO-REST-API/issues/12)
• Fix detection of player privacy settings for SA server
• Remove cacheless build option
• Improve documentation