[Deprecated] AviatorScript 5.0.1

Main changes:

• Tweak variable accessing performance #238
• Fixed can't overload assignment/define operator #245
• Fixed function arguments( enabled by Opitons.CAPTURE_FUNCTION_ARGS) are wrong when invoking more than one functions.#236
• Fixed array accessing operator can't work with Options.ALWAYS_PARSE_INTEGRAL_NUMBER_INTO_DECIMAL #237
• Adds new function eval(script, [bindings], [cached]) to execute a script text string with binding map in scripts.
• Adds overload functions reader(input_stream, [charset]) and writer(output_stream, [charset]) to IO module.