0.8.1: fixed versions list for php/rust

• fixed php plugin (root url in plug_list_versions)
• fixed rust plugin (root url in plug_list_versions)

0.8.0: autocmoplition for zsh & iojs

• added plugins iojs/iojs-prebuilt
• autocmoplition for zsh
• haskell[-prebuilt] plugin:
  • now show most fresh releases
  • used https
• fixed go-prebuilt plugin for x.x versions

0.7.6: smal fixes

• removed --version-sort from all sorts
• fixed mk command for zsh

0.7.5: rust improvements & fixes in tests

• imroved rust[-prebuilt] plugin:
  • added export LD_LIBRARY_PATH before env activation
  • each nightly build marked with date to see when it was build

0.7.4: added export/import

• added commands export/import
• fixed plugin julia (build part)
• fixed plugin go-prebuilt (used new url for archives)
• added nightly builds for plugins rust/rust-prebuilt

0.7.3: added haskell-platform (for linux) and a lot of fixes

• added plug_check_deps into scala
• fixed logic for DEBUG=yes
• improved mk:
  • clear env dir if configure failed
  • more debug messages
  • ensure that we have a version number before starting the download
  • exit cleanly when failing to download the requested package
• added plugin for haskell-platform (linux
  only)
• fixed test for ls-plugins
• common: make curl fail on HTTP errors
• activate: propagate NV_PATH when creating the subshell environment
• added sbt installation into scala plugin
• fixed rust/rust-prebuilt plugin
• fixed ls-versions for elixir/elixir-prebuilt

0.7.2: php & haskell-prebuilt plugins; improved "nv off" and more fixes

• nv off works in both cases: nv on <env-name> and nv on --same-shell <env-name>
• added functions in common: nv_semver_get_(major|minor|patch|special)
• added functions in common: nv_echo_err
• added plugin for php
• added plugin for prebuilt haskell
• improved shebangs (thanks to Maciej Żok)
• improved nv_get_plugin_version from common: handles empty versions
• improved command mk: handles not existence plugins

0.7.1: scala plugin & minor fixes

• improved ls-cache/rm-cache commands (added options for each section of
  the cache)
• julia plugin: fixed building bugs
• added plugin for scala

0.7.0: prebuilt plugins, activation in a new shell and more

• on/activate/use: now works in a new shell by default
• on/activate/use/mk: added option --same-shell
• cache redesign: splited into sub-dirs {arc,src,build}
  • added migration script for the new cache
  • common: added get_(build|arc|src)_path functions
  • fixed commands rm-cache/ls-cache
  • elixir plugin: used get_(build|arc|src)_path instead of nv_get_cache_full_path
  • julia plugin: used get_(build|arc|src)_path instead of nv_get_cache_full_path
• added nv_get_system into common
• mk: added --force option for re-create environment
• mk: added reset for plug_state
• mk: added clean src folder after build (for saving disk space)
• added plug_build function for usage in plugins
• added plug_build_env function for usage in plugins
• renamed plugin go into go-prebuilt
• added plugin node-prebuild
• added plugin rust-prebuilt
• added plugin elixir-prebuilt
• improved bash autocompletion for commands on/activate/use/do

0.6.2: basic zsh support

• mk command used unset -f for reset plugin's functions
• added functions nv_is_zsh/nv_is_bash into common
• basic autocompletion used for bash only
• more universal implemetation of the nv_is_function
• more universal implemetation of the plug_list_versions in all plugins