0.0.3

• Expressions package. Eval infix expression and build prefix.
• Solvers package. Solve puzzles "insert operations between numbers to get another number"
• Primes predicates amicable?, perfect?, abundant?.
• Radix converter
• Few math package functions improvements
• Generators: rand-bigint as standard rand-int but for big numbers
• Couple of new sequences n-gonals, collatz, farey, fermat-numbers, powers-of
• Printers: format-ratio to print rational numbers
• Irrational: calculate digits of pi, e and sqrt(n)
• Validator improved