Release 3.0.0

• Merge pull request #7 from hamworks/feature/with-bom (0b9957c)
• update changelog (162a435)
• Merge pull request #6 from hamworks/feature/with-bom (6587500)
• refactor (a02a9ad)
• fix sub class (629ee56)
• fix platform (ee4c163)
• fix write method (1f8ce23)
• fix constractor (e6b93cb)
• fix test (40583a2)
• fix test (fd99614)
• fix test (a7cc482)
• add class CSV Writer with BOM (2f1c585)
• fix encoding (1647e41)
• add encoding class (53a3d00)
• use factory method injection (d3e5fca)
• refactor (7b2d7fc)
• add request class (d549344)
• refactor slug (5581c43)
• allow di for CSV_Writer (2190947)
• CSV_Writer: use setter. (7534318)
• add form-table style (d4f43f1)
• add select to admin ui (b26bc4e)