v0.1.18

Electrum v0.1.18

Diff since v0.1.17

Merged pull requests:

• Begin active development of 0.2 (#208) (@brainandforce)
• BySpace and ByCoordinate traits have been refactored and exported (#209) (@brainandforce)
• Added CoordinateVector to represent coordinates in real/reciprocal space (#210) (@brainandforce)
• Version 0.1.18: fixes to writeXYZ() (#213) (@brainandforce)

Closed issues:

• The typing of KPoint{D} needs to be changed (#204)