v0.2.0

Added

• New math functions: log10(x), log2(x) for logarithms
• Factorial function: fact(n) with overflow protection
• Hyperbolic functions: sinh(x), cosh(x), tanh(x)
• Angle conversion: deg(x) (radians→degrees), rad(x) (degrees→radians)
• CLI flags: --version / -v and --help / -h
• NMRI_VERSION macro for centralized version management

Changed

• Function map now uses static const for better optimization
• Complete reserved word checking (all functions + constants)
• Improved help screen with compact function listing
• Code refactoring for better maintainability

Fixed

• Incomplete reserved word check that allowed overwriting some constants