Added support for symbols in collections
Added support for set collections
Spec for set collections and symbols in collections
Cleaned up Set support by using the splat operator
Test radio input with sets and symbols
Tests and examples for sets and symbols in radio input
Test using sets and symbols with select input
update build matrix for rails 4.0.0.beta1 and ruby 2.0.0
remove rcov
Merge pull request #923 from justinfrench/rails4beta

update build matrix for rails 4.0.0.beta1 and ruby 2.0.0
No need to include 'Database' twice
Merge pull request #927 from pfeiffer/master

Removed unnecessary double inclusion of Database
Compact semantic_form_for class array

If the FormHelper.default_form_class is set to nil then we get extra spaces in the class in the output HTML. This will compact the classes array and knock those pesky nils right out.
Adding rspec for compacting the classes on the semantic_form_for helper
allow to skip attributes when rendering default inputs
added some rspec tests
Fix bug with Rails 4 multiselect incorrectly naming the input field for non-association based selects.
Merge pull request #937 from where/rails4-select-tag

Fix bug with Rails 4 multiselect
Test against rails 4.0.0.rc1
Fix to datetime_picker to format the value compliant to standard.
[fixes #942]