v0.23.0

This release includes:

• Add io.js support (#616)
• node versions v0.12.0 and later will now reside in $NVM_DIR/versions/node.

v0.22.2

• node versions >= 0.12 will now be stored in $NVM_DIR/versions/node/, to prepare for io.js support.
• Hopefully final release before io.js support drops.

v0.22.1

• Fixed #493 (problems when sed is aliased)
• Fixed #605 (problems with which in zsh)

v0.22.0

Adds --install option when sourcing nvm.sh (#602, #545)

v0.21.0

• Add nvm which (#597)
• Add internal nvm_get_latest to get latest nvm version
• testing improvements

v0.20.0

v0.20.0