Merge pull request georust#63 from georust/0.2.6

Prepare for 0.2.6 release.

Merge pull request georust#57 from georust/0.2.5

Prepare for 0.2.5 release.

Merge pull request georust#52 from georust/0.2.4

Prepare for 0.2.4 release.

Merge pull request georust#49 from georust/0.2.3

Prepare for 0.2.3 release.

Merge pull request georust#46 from georust/0.2.2

Prepare for 0.2.2 release.

Merge pull request georust#45 from georust/0.2.1

Prepare for 0.2.1 release.

Merge pull request georust#42 from georust/0.2.0

Prepare for 0.2.0 release.

Merge pull request georust#35 from georust/0.1.1

Prepare for 0.1.1 release.

Merge pull request georust#33 from georust/0.1.0

Prepare for 0.1.0 release.

Merge pull request georust#22 from georust/relicense

Update license to MIT/Apache-2.0