* Create asdf current command
* Correct output of asdf exec command when no command is provided
* Enable current_command.bats tests
* Fix current_command.bats test code
* Generate shims after version install
* Enable `reshim_command.bats` tests
* Remove `update_command.bats` tests from main_test.go
* Update `installs` package functions to accept version type in addition to version value
* Update `versions.ParseString` function to handle path version
* Move invocation of hooks for reshim
* Update `asdf reshim` command so shims can be generated for path versions
* Rename `versions.Installed` function to `IsInstalled`
* Create `versions.Installed` function
* Create `shims.GenerateForPluginVersions` and `shims.GenerateAll` functions
* Address linter warnings
* Create asdf reshim command
* Run asdf hook from new `shims` functions
* Add `x/sys` as a dependency
* Create `toolversions.Unique` function
* Create `shims` package with `ExecutablePaths`, `PluginExecutables`, `Write`, `GenerateForVersion` function
* Address linter warnings
* Get asdf info BATS tests working
* Create `versions.Installed` function
* Update `versions.Latest` to return single version
* Implement `latest` asdf command
* Refactor config package so default settings are always used with config file not loaded
* Update `findVersionsInDir` to check legacy files
* Refactor functions in internal/resolve package to return `ToolVersion` structs instead of version slices
* Refactor `findVersionsInEnv` function to return env variable name
* Create `resolve.Version` function
* Implement info command
* Remove duplicate and unneeded BATS tests from `main_test.go`
* remove download dir for plugin when removing plugin
* update plugins.Add function so downloads directory is created