referenced tests libs
SE-2 Implement textbox element
SE-2 Implement textbox element

changed Expect calls to Stub ones
SE-2 Implement textbox element

added restrictions on element to the base element class
SE-2 Implement textbox element

added more base attributes
SE-2 Implement textbox element

separated attribute names into constant class
referenced tests libs
SE-2 Implement textbox element
SE-2 Implement textbox element

changed Expect calls to Stub ones
SE-2 Implement textbox element

added restrictions on element to the base element class
SE-2 Implement textbox element

added more base attributes
SE-2 Implement textbox element

separated attribute names into constant class
Merge branch 'development' of https://github.com/pbakshy/Selenol into development
SE-3 Implement text area element
SE-3 Implement text area element

added license reference
SE-4 Implement select element

WIP
SE-4 Implement select element
SE-28 Implement multi-select (listbox) element
SE-5 Implement checkbox element
moved all magic string of tag name and attributes to constants