This reverts commit b6f80d8975.
This commit made everyone on IRC cry with the following stack trace:
```
Downloading updates...
Unhandled Exception:
System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary.
at System.Collections.Generic.SortedDictionary`2[CKAN.Version,CKAN.CkanModule].get_Item (CKAN.Version key) [0x00000] in <filename unknown>:0
at CKAN.AvailableModule+<Latest>c__AnonStorey0.<>m__0 (CKAN.Version v) [0x00000] in <filename unknown>:0
at System.Linq.Enumerable+<CreateWhereIterator>c__Iterator1E`1[CKAN.Version].MoveNext () [0x00000] in <filename unknown>:0
at CKAN.AvailableModule.Latest (CKAN.KSPVersion ksp_version) [0x00000] in <filename unknown>:0
at CKAN.Registry+<LatestAvailableWithProvides>c__AnonStorey0.<>m__0 (KeyValuePair`2 pair) [0x00000] in <filename unknown>:0
at System.Linq.Enumerable+<CreateWhereIterator>c__Iterator1E`1[System.Collections.Generic.KeyValuePair`2[System.String,CKAN.AvailableModule]].MoveNext () [0x00000] in <filename unknown>:0
at CKAN.Registry.LatestAvailableWithProvides (System.String module, CKAN.KSPVersion ksp_version) [0x00000] in <filename unknown>:0
at CKAN.Registry.Available (CKAN.KSPVersion ksp_version) [0x00000] in <filename unknown>:0
at CKAN.Repo.Update (CKAN.RegistryManager registry_manager, CKAN.KSP ksp, IUser user, Boolean clear, System.Uri repo) [0x00000] in <filename unknown>:0
at CKAN.Repo.Update (CKAN.RegistryManager registry_manager, CKAN.KSP ksp, IUser user, Boolean clear, System.String repo) [0x00000] in <filename unknown>:0
at CKAN.CmdLine.MainClass.Update (CKAN.CmdLine.UpdateOptions options, CKAN.RegistryManager registry_manager, CKAN.KSP current_instance, IUser user) [0x00000] in <filename unknown>:0
at CKAN.CmdLine.MainClass.Main (System.String[] args) [0x00000] in <filename unknown>:0
[ERROR] FATAL UNHANDLED EXCEPTION: System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary.
at System.Collections.Generic.SortedDictionary`2[CKAN.Version,CKAN.CkanModule].get_Item (CKAN.Version key) [0x00000] in <filename unknown>:0
at CKAN.AvailableModule+<Latest>c__AnonStorey0.<>m__0 (CKAN.Version v) [0x00000] in <filename unknown>:0
at System.Linq.Enumerable+<CreateWhereIterator>c__Iterator1E`1[CKAN.Version].MoveNext () [0x00000] in <filename unknown>:0
at CKAN.AvailableModule.Latest (CKAN.KSPVersion ksp_version) [0x00000] in <filename unknown>:0
at CKAN.Registry+<LatestAvailableWithProvides>c__AnonStorey0.<>m__0 (KeyValuePair`2 pair) [0x00000] in <filename unknown>:0
at System.Linq.Enumerable+<CreateWhereIterator>c__Iterator1E`1[System.Collections.Generic.KeyValuePair`2[System.String,CKAN.AvailableModule]].MoveNext () [0x00000] in <filename unknown>:0
at CKAN.Registry.LatestAvailableWithProvides (System.String module, CKAN.KSPVersion ksp_version) [0x00000] in <filename unknown>:0
at CKAN.Registry.Available (CKAN.KSPVersion ksp_version) [0x00000] in <filename unknown>:0
at CKAN.Repo.Update (CKAN.RegistryManager registry_manager, CKAN.KSP ksp, IUser user, Boolean clear, System.Uri repo) [0x00000] in <filename unknown>:0
at CKAN.Repo.Update (CKAN.RegistryManager registry_manager, CKAN.KSP ksp, IUser user, Boolean clear, System.String repo) [0x00000] in <filename unknown>:0
at CKAN.CmdLine.MainClass.Update (CKAN.CmdLine.UpdateOptions options, CKAN.RegistryManager registry_manager, CKAN.KSP current_instance, IUser user) [0x00000] in <filename unknown>:0
at CKAN.CmdLine.MainClass.Main (System.String[] args) [0x00000] in <filename unknown>:0
```
using `v1.5.6-0-g0000000 (beta)`.
However I don't know *WHY*. Still investigating that, so this commit is
really a hot-fix.
NetKAN bot
Paul Fenwick
Alexander Dzhoganov