README.txt modified
Psi highlighter fixed to handle names properly
"editline" operator implemented
"repeat" operator bugfixed
"filereader" operator bugfixed
permutations-recursive.psi, romannumerals.psi, sqrt-bisection-floyd.psi,
sqrt-hero-iterative.psi example scripts added
PsiRomanNumerals class code simplified
Some code cleanup
Documentation added
.gitignore file added