The following links may be useful to you working with the nRF8001 Breakout:

Adafruit Resources

• Adafruit_nRF8001 drivers and samples sketches
  
• Adafruit BlueFruit LE Connect iOS Application
• Adafruit's Introduction to Bluetooth Low Energy learning guide

General Resources

• Bluetooth Core Specification (BLE was introduced as part of the 4.0 core spec)
• Bluetooth Development Portal
• Nordic Semiconductor's nRF8001 product page

If you have any specific problems with the Adafruit nRF8001 breakout, fee free to visit our actively moderated support forums, though be sure to check for the latest code on github first since that's the first place new features and bug fixes will be introduced!