Better edge cases handle

[0x2c7]

• Check and do not attach if cannot detect a valid tty device ([BUG] Error on app startup -1 out of range #53 and Absolutely Gorgeous !! add documentation about stdin/stdout redirections precautions for hard #38)

• Guard the renderer better if color (user-defined or built-in) doesn't have a request style ([BUG] Internal error from jard - undefined method shift for nil #54)
• Fix rails to_sql generates special characters ([BUG] Source output incorrect #57)