Fix

Merge pull request #9 from ajcastro/parameterized-join-method

Parameterized join method

Merge pull request #6 from ajcastro/1.4-sortable-columns

Add sortableColumns in Searchable

Update README.md

Merge pull request #4 from ajcastro/1.2.2

Avoid overwriting existing select clause

Merge pull request #3 from ajcastro/1.2.1

Simplify and improve codebase

Merge pull request #2 from ajcastro/1.2

Add helper methods isColumnValid() and getTableColumns()

Merge pull request #1 from ajcastro/1.1

1.1,  Add methods setSearchable() and addSearchable(), sortByRelevance()

Merge branch '1.0'