search: Handle escape characters properly
search: strip() search text of whitespace before processing
tests: Added search model tests
Merge pull request #141 from Turbo87/search-escaping

Handle escape characters in search string properly
i18n: Updated Dutch translation
i18n: Updated Polish translation
i18n: Updated Spanish translation
Merge pull request #142 from Turbo87/i18n

Updated translations
AUTHORS: Updated translators list