Update several files for DB table and column sanitization. Not technically necessary in PW, but a good idea if any of the code is ever repurposed, so there won't be ambiguity.
Add @somatonic PR #163
Add head() and status() methods to the WireHttp class per Horst.
Make the Session CSRF exception more specific so that it can be caught and dealt with separately.
Add created/modified field support to file-based Fieldtypes like FieldtypeFile and FieldtypeImage.
Fix issue with InputfieldPageAutocomplete not recognizing non-native label fields. This was due to a bug in ProcessPageSearch using the variable name 'display' rather than 'get', when it should support both.