began improving the implementation of the method spell-checker
added second method to spell-check
added another method to spellchecker
added another spellcheck method
added common name aliasing
fixed syntax error.
added tests for xSliceString
added a test for xProdSetOf
updated tests, and fixed one bug in methods;
fixed named corner-case of methods
updated xNotMatch test
bumping version
removed failing tests for the moment
Merge branch 'develop' into releases