Pyslvs v19.07.0

Features:

• Correction of link length range in dimensional synthesis page.
• Change the behavior of adding points on main canvas.
• Add duplicate function for graph collections page.
• Fix the error of switching structure collections.
• Showing attributes instead doing number synthesis after generalization.
• Documentation update:
  • APIs of kernels.
  • Two major IO formats.
  • Change the format of signatures.
  • Change the theme to "material".
• Adjust "zoom to fit" action during dimensional synthesis page.

Development:

• Improve Makefile build and clean command of submodules.
• Add backend data instead of UI table items.
• Attributes refactor of file system.
• Submodule import from namespace directly, instead of core.libs module.