implement printing of numbers
implement interactive pocketcalculator
code style
calc(std::istream): raise when input term is malformed
clearer variable name
better function names, make use of default arguments
add printLargeError(std::ostream, unsigned)
#inclue <string> in header file since there it's already used
add tests for calc(std::string) and for throwing exceptions
better test name
add tests for printing large numbers and error
make pocketcalculator a shared library
add pocketcalculatormain which uses pocketcalculator