Set LC_NUMERIC to C explicitly
Fix regression in t/shells.t due to things ported to XS
Added CONTRIBUTING.md
Some improvements to Build.PL
Typo
Bugfix: expert mode was crashing when home path contained non-ASCII
characters on Windows. #1478
Add .ngc to G-code file name suffixes
Fix regression causing incomplete output filepath expansion. #1514
Merge pull request #1510 from dex4er/bugfix_lc_numeric_c

Set LC_NUMERIC to C explicitly
Missing line in Build.PL
Round Perl coordinates instead of truncating them to integers. #1486 #1445 #1464
Fix a valgrind warning about mismatched free()
Complain loudly if XS cannot be compiled
Some work to reduce recursive dependencies between classes
Minor fix about raft and support after previous commit
Ported regular_points() to XS and renamed it to equally_spaced_points()
Automatically save presets after running the wizard
Automatically copy Simple Mode settings into a 'Simple Mode' preset in Expert Mode
Save the last used Slic3r version and display a notice to encourage legacy users to revert their support material settings to the defaults
Workaround "Attempt to free unreferenced scalar..." on Linux 32-bit