EGS v0.0.8.18

• Added 5 decimals in the zero sequence parameters of a line.
• Fix related to bus geodata (coordinates).
• Very first steps for using the ElectricalGraph class without GUI.
• Improved alignment options. Many new options in context menu and key shortcuts:

Shortcut	Description
Ctrl+Left	Vertical alignment of selected nodes (to the leftmost one)
Ctrl+Right	Vertical alignment of selected nodes (to the rightmost one)
Ctrl+Shift+V	Vertical alignment of selected nodes (centering)
Ctrl+Down	Horizontal alignment of selected nodes (to the bottom one)
Ctrl+Up	Horizontal alignment of selected nodes (to the top one)
Ctrl+Shift+H	Horizontal alignment of selected nodes (centering)
Ctrl+Shift+C	Automatic centering alignment of selected nodes