Make is_set_bit a universal template function
Refactor usage of boost::format
Add beast::tagged_integer:
 * Wraps standard integer types to provide type-safety
 * Named types provide self-documenting semantics
 * Catches programmer errors involving mismatched types at compile time
 * Operators restrict mutation to only safe and meaningful operations
Add CleanCCPFiles.py, a utility for tidying up whitespace