Noticed this was no longer showing in mod settings. Decided to try and find the problem. Removed all other mods, and restarted game. Still not showing up in mod settings, and I get this error log when loading up:

RimWorld 1.2.2723 rev661
Verse.Log:Message(String, Boolean)
RimWorld.VersionControl:LogVersionNumber()
Verse.Root:CheckGlobalInit()
Verse.Root:Start()
Verse.Root_Entry:Start()

ReflectionTypeLoadException getting types in assembly StackXXL: System.Reflection.ReflectionTypeLoadException: Exception of type 'System.Reflection.ReflectionTypeLoadException' was thrown.
at (wrapper managed-to-native) System.Reflection.Assembly.GetTypes(System.Reflection.Assembly,bool)
at System.Reflection.Assembly.GetTypes () [0x00000] in <567df3e0919241ba98db88bec4c6696f>:0
at Verse.ModAssemblyHandler.AssemblyIsUsable (System.Reflection.Assembly asm) [0x00000] in <7b345446a85d4ed599f9c604ae61854b>:0

Loader exceptions:
=> System.TypeLoadException: Could not resolve type with token 01000010 (from typeref, class/assembly HugsLib.ModBase, HugsLib, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null)

Verse.Log:Error(String, Boolean)
Verse.ModAssemblyHandler:AssemblyIsUsable(Assembly)
Verse.ModAssemblyHandler:ReloadAll()
Verse.ModContentPack:ReloadContent()
Verse.LoadedModManager:LoadModContent()
Verse.LoadedModManager:LoadAllActiveMods()
Verse.PlayDataLoader:DoPlayLoad()
Verse.PlayDataLoader:LoadAllPlayData(Boolean)
Verse.<>c:<Start>b__6_1()
Verse.LongEventHandler:RunEventFromAnotherThread(Action)
Verse.<>c:<UpdateCurrentAsynchronousEvent>b__27_0()
System.Threading.ThreadHelper:ThreadStart_Context(Object)
System.Threading.ExecutionContext:RunInternal(ExecutionContext, ContextCallback, Object, Boolean)
System.Threading.ExecutionContext:Run(ExecutionContext, ContextCallback, Object, Boolean)
System.Threading.ExecutionContext:Run(ExecutionContext, ContextCallback, Object)
System.Threading.ThreadHelper:ThreadStart()

Key binding conflict: Dev_ChangeSelectedDebugAction and MainTab_Architect are both bound to Tab.
Verse.Log:Warning(String, Boolean)
Verse.KeyPrefsData:ErrorCheckOn(KeyBindingDef, BindingSlot)
Verse.KeyPrefsData:ErrorCheck()
Verse.KeyPrefs:Init()
Verse.PlayDataLoader:DoPlayLoad()
Verse.PlayDataLoader:LoadAllPlayData(Boolean)
Verse.<>c:<Start>b__6_1()
Verse.LongEventHandler:RunEventFromAnotherThread(Action)
Verse.<>c:<UpdateCurrentAsynchronousEvent>b__27_0()
System.Threading.ThreadHelper:ThreadStart_Context(Object)
System.Threading.ExecutionContext:RunInternal(ExecutionContext, ContextCallback, Object, Boolean)
System.Threading.ExecutionContext:Run(ExecutionContext, ContextCallback, Object, Boolean)
System.Threading.ExecutionContext:Run(ExecutionContext, ContextCallback, Object)
System.Threading.ThreadHelper:ThreadStart()