Fix hello example

Change addition and multiplication to take any number of arguments

Add value types section to README

rustfmt

Add conditional operation

Add argument handling and character from string operation

Better program output

Add get operation to README

Add more dashes to try to make the table work

Add initial version of README.md

position in error reporting

Remove useless "value" expr

Initial work on string operations

uh, whatever this is

Initial work on functions

More mathematical operations

Basic executable

evaluation

Initial commit