never 1.8.6

Never major functions:

• integer, float data types
• bool operators &&, ||, !
• integer/float operators - +, -, *, /
• integer %
• mathematical functions - sin, cos, tan, exp, log, sqrt, pow
• utilities - print, printf, assert
• recursion
• tail recursion
• constants reductions
• embeddable in C/C++
• embeddable in Unix shell
• cmake