Improved Logical and Math support

Support logical functions;

• FALSE
• TRUE

Support math functions;

• ATAN2
• COSH
• DEGREES
• ACOS
• ACOSH
• ASIN
• ASINH
• ATAN
• ATAN2
• CEILING
• RADIANS
• COS
• COSH
• EXP
• EVEN
• FACT
• FACTDOUBLE
• INT
• LOG
• LOG10
• RAND
• RANDBETWEEN
• SIGN
• SIN
• SQRTPI
• TAN