Merge pull request argotorg#1107 from ethereum/develop

Version 0.4.2

Merge pull request argotorg#1107 from ethereum/develop

Version 0.4.2

Merge pull request argotorg#1073 from ethereum/develop

Release merge for 0.4.1

Merge pull request argotorg#1061 from ethereum/version

Set version to 0.4.0.

Merge pull request argotorg#859 from chriseth/fixppa

Fix ppa script

Merge pull request argotorg#646 from chriseth/version

Version 0.3.5

Merge pull request argotorg#620 from bobsummerwill/version

Updated version number to 0.3.4.

Merge pull request argotorg#604 from chriseth/version

Set version to 0.3.3.

Version change.

Merge pull request argotorg#469 from chriseth/version

Set version to 0.3.1.