Dev to Master updating to v1.1.0

[dakka]

This release adds improvements and changes, including some from user feedback.

• enum_range per enum range with various options:
  • specialization of enum_range class; convenience macros
  • T::ce_first and T::ce_last
• benchmarking
• conjure_enum, conjure_type and enum_bitset now in separate includes
• significant improvements in compile times
• selectable compile optimizations, including
  • FIX8_CONJURE_ENUM_ALL_OPTIMIZATIONS
  • FIX8_CONJURE_ENUM_IS_CONTINUOUS
  • FIX8_CONJURE_ENUM_NO_ANON
  • FIX8_CONJURE_ENUM_MINIMAL
• bug fixes
• conjure_enum API additions:
  • is_continuous
  • in_range
  • index
  • enum_cast
  • get_enum_min_value, get_enum_max_value
  • min_v, max_v
  • get_actual_enum_min_value, get_actual_enum_max_value
• enum_bitset API additions:
  • std::bitset constructor and conversion
  • rotl, rotr
  • has_single_bit
  • to_hex_string
  • get_underlying, get_underlying_bit_size
  • get_bit_mask, get_unused_bit_mask
  • specialization for std::hash
  • countl_zero , countl_one , countr_zero , countr_one
  • const and non-const subscript operator (set and test)
• expanded unit tests, edge case tests
• updated to latest supported compilers
• updated examples
• documentation reorganised and expanded