Gravity Perks - Gravity Forms File Renamer 1.0.9

Added gpfr_sanitize_file_name_chars filter hook.

Added gpfr_replace_merge_tag_slashes and gpfr_merge_tag_forward_slash_replace_char filters to allow fine grained control over forward slash replacement in merge tag values.

Fixed issue where dot (.) characters would cause underscores (_) to be added to renamed paths in some cases.
Fixed issue where merge tag replacement was HTML escaping.