Merge pull request rustwasm#1722 from alexcrichton/bump

Bump to 0.2.49

Merge pull request rustwasm#1660 from alexcrichton/bump

Bump to 0.2.48

Merge pull request rustwasm#1608 from alexcrichton/bump

Bump to 0.2.47

Merge pull request rustwasm#1596 from alexcrichton/bump

Bump to 0.2.46

Merge pull request rustwasm#1549 from alexcrichton/bump

Bump to 0.2.45

Merge pull request rustwasm#1536 from alexcrichton/bump

Bump to 0.2.44

Merge pull request rustwasm#1495 from alexcrichton/bump

Bump to 0.2.43

Bump to 0.2.42

Merge pull request rustwasm#1434 from alexcrichton/bump

Bump to 0.2.41

Merge pull request rustwasm#1381 from alexcrichton/bump

Bump to 0.2.40