Update code and use yard for docs

Add zip and doc to gitignore
Rename secure_textfield to 'secure
Move console.rb to lib/console.rb for yard
Export yard HTML to Markdown and include in read me
Move all elements to lib/element
Fix methods to search by tag_name + name instead of just name
Add documentation to all methods
Remove old TODO
Rename find_tag to find_ele
Update def wait for clarity
Add find_ele_by_attr_include and find_eles_by_attr_include
Use new helpers in button instead of XPath
Remove rspec