v0.8.21

refined tensor contractions

v0.8.20

some internal edits

v0.8.19

defined robust MetricTensor algebra

v0.8.18

extended support for dyadics

v0.8.17

upgraded to AbstractTensors v0.8

v0.8.16

revised grade selection, etc

v0.8.15

enhanced algebra operators

v0.8.14

refined algebra operators

v0.8.13

optimized grade selection

v0.8.12

enhanced Grassmann algebra