Non-kwargs requests are deprecated now.
Guides are updated as well.
`post url, nil, nil, { a: 'b' }` doesn't make sense.
`post url, params: { y: x }, session: { a: 'b' }` would be an explicit way to do the same
In the current router DSL, using the +match+ DSL
method will match all verbs for the path to the
specified endpoint.
In the vast majority of cases, people are
currently using +match+ when they actually mean
+get+. This introduces security implications.
This commit disallows calling +match+ without
an HTTP verb constraint by default. To explicitly
match all verbs, this commit also adds a
:via => :all option to +match+.
Closes#5964
