Replace tokens with guest accounts, swap endpoints

src/types.nim

@@ -17,11 +17,8 @@ type
   Api* {.pure.} = enum
     tweetDetail
     tweetResult
-    timeline
-    userTimeline
     photoRail
     search
-    userSearch
     list
     listBySlug
     listMembers
@@ -36,9 +33,11 @@ type
     remaining*: int
     reset*: int
 
-  Token* = ref object
-    tok*: string
-    init*: Time
+  GuestAccount* = ref object
+    id*: string
+    oauthToken*: string
+    oauthSecret*: string
+    # init*: Time
     lastUse*: Time
     pending*: int
     apis*: Table[Api, RateLimit]