New method, GetSPFieldByInternalName to allow getting fields by internal column name (closes #8).
Major changes to Date fields: the returned SPDateTimeFieldValue object now will only contain
integers (instead of strings or mixed types), new SetDate and SetTime functions to allow setting
one part at a time, and SetTime allows passing integers in addition to strings (closed #9).
Fix bug with IE8 not being able to set minute dropdown
Update to tests to allow for some differences between 2007 and 2013
Weird test difference with hyperlink fields in SharePoint 2007
GetSPField should be able to return the Content Type field (fixes #7).
Adding example for working with the content type field
Bump version to 0.9.1