from the current Model/ModelObjects. Fixed a possible race condition in updating Print::m_placeholder_parser with the proposed filename / filename base. Improved documentation (source code comments).
fixes "Min print speed" to "Estimated Print Time" Inconsistencies #1488
The XS was left only for the unit / integration tests, and it links libslic3r only. No wxWidgets are allowed to be used from Perl starting from now.