Documentation on seq-inclusion could be more clear about hiccup

[weavejester]

Vectors might be sequences in the abstract sense, but they are not Clojure seqs:

user=> (seq? [])
false

I guess I could put a note in there to that effect, but I'm a little leery about including documentation about Clojure itself. It's the start of a potentially slippery slope.

That said, a single sentence of clarification might not hurt, as its not unusual for those new to Clojure to assume that collections and seqs are the same thing.

[weavejester]

Updated wiki with a reminder that vectors and sets are not seqs.