add missing usage of the apply_filters results on searcher_query and searcher_search hook
Merge pull request #101 from barryhughes/master

Do not overwrite $wp_query with global symbol of the same name
Merge pull request #100 from xben/master

add missing usage of the apply_filters results on searcher_query and sea...
Assign values for unassigned instance variables before referencing them. This prevents warnings from popping up on the widget edit screen.
Merge pull request #104 from martybel/widget_error_fixes

Assign values for unassigned instance variables before referencing them....