Update compiler.cpp

Increase MAX_VALS from 1024 to 2048

Update shell.cpp

small fixes

function scope bug fixes

Update README.md

changed version

Update lexer.cpp

Fix variable names in README example

Fix list item tag in README.md

Refactor example code and add template script

Delete bytelang/src/README.md

compile line

display_non_fatal_err

Update memory.h