Improved error support

Changes

• Improved error messages with more specific detail.

Initial Release

• RGB Color Modification
• Project circles within a matrix
• Data Manipulation
  • Floor and Cap Functions
  • Feature Scaling
  • Quick Mass Column Convert for data.frame
• Prediction Quality Assessment Metrics
  • Accuracy of the model
  • Mean Squared Error (MSE)
  • Root Mean Squared Error (RMSE)
• Operating System Type Information Accessors
• RStudio Detection (Non-startup) & graphing device switch
• Weather conversion from Fahrenheit, Celsius, and Kelvins