More parameter name changes
replace ctype test with a function to check proper type of region id
Merge remote-tracking branch 'upstream/master' into pr-adjust-method-parameter-names
Merge remote-tracking branch 'upstream/master' into pr-adjust-method-parameter-names

Conflicts:
	wpsc-includes/wpsc-country.class.php
more fixes
Country list sort order
Countries list is returned sorted by country name, as in prior release.  Optional parameter available if caller needs country list sorted by country id.
Merge branch 'pr-countries-list-sort-order' into pr-adjust-method-parameter-names
Explitily set sort order on return of country lists.
Sort routines for id and name added to class.
Merge remote-tracking branch 'upstream/master' into pr-adjust-method-parameter-names

Conflicts:
	wpsc-includes/wpsc-country.class.php
Merge pull request #1078 from JeffPyeBrook/pr-adjust-method-parameter-names

Remove ctype from parameter type check