These implementations were all functionally identical. The replacement
has an extra feature of returning the index where the value was found,
currently unused.
Clean up some typos and differences. Most have been normalized to
whatever form of the name occurred in the largest number of scripts.
Paulino was contacted directly and requested his email be added to all
of his credits.
* replace require function calls with stndse.silent_require
* fixed a bug in nse_main that would fail creating scripts.db when a script
fails to load
* reworked some code to provide limited functionality even though SSL is not
present