- Registered CacheServiceProvider and RedisServiceProvider in examples/bootstrap.php
- Memoized ensure_table_exists() to limit execution to once per set of arguments using a static variable
- Updated FiverrJsonImporter caching to use Laravel Cache instead of Redis
- Added FiverrJsonImporter methods:
  - resetListingsGigsStatsProcessed()
  - resetGigsProcessed()
  - processGigsStatsBatch()
  - processGigsStatsAll()