instantiate the delegate object after initialize is defined so that our initialize method actually gets called

Signed-off-by: NSantiago Pastorino <santiago@wyeworks.com>

According to http://www.ietf.org/rfc/rfc2616.txt and
http://tools.ietf.org/rfc/rfc3986.txt [ and ] are reserved characters
and should be escaped using "%" HEX HEX

This reverts commit 856d2fd8 and
1ee9b40b..

This code was not deprecated. What was deprecated is the following:

  form_for(:foo, @foo)

Which now should be rewritten as:

  form_for(@foo, :as => :foo)

The following format is valid:

  form_for(:foo)

This reverts commit be797750.

Signed-off-by: NSantiago Pastorino <santiago@wyeworks.com>

(default is nil meaning unlimited but Oracle imposes a limit of 1000)
Limit is used to make multiple queries when preloading associated has_many or habtm records

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

When use where more than once on the same column, relation doesn't do an 'or' or 'in' with the values

Fix bug with 0bb85ed9 which missed out a fixtures declaration in cascaded_eager_loading_test.rb

remove the rescue block by returning a not asking Base for lookup_ancestors. It was also marked for later optimization.