Caclulator
Calculator. Version 2
Калькулятор. Версия 2.1

Убрал в 109 строке лишний символ табуляции.
Build input string with string builder.
Merge branch 'master' of https://github.com/ignorer/fizteh-java-2013
Added a checking for input with an excess number of operands
Added string builer for build string with RPN.
Fixed bug with empty input.
Added check for the overflow.
Fixed bug with empty input.
Fixed bug with appending of operands.
Fixed output radix.
Shared main function to four another functions. Added correct error messages with correct exit codes.
Deleted unnessesary package.
Fixed overflow checking.
Removed bad directory from repository.
Deleted fake shell.
Merge pull request #7 from ignorer/master

Кисленко Александр, 297 группа. Задача №1: "Калькулятор", вариант 1.