~eshel/eshellisp

Enhanched exception formatting
ENHANCHED: Better REPL interaction and stacktraces
Update README.md
ADDED: basic list processing functions
ADDED: Bootstrapped Scheme REPL
ADDED: dotted pair notation and general support for improper lists
Add support for import statements and boolean standard functions
Add undefined function exception test case
Add fib test case
Formatting
Remove `det/1` directive
Initial commit