Clarify ClojureScript symbol resolution error message

[eraserhd]

Before

------ ERROR -------------------------------------------------------------------
 File: /home/jfelice/src/clara-eql/test/net/eraserhead/clara_eql/core/many_valued_join_test.cljc:22:1
--------------------------------------------------------------------------------
  19 |   :where
  20 |   [EAV (= e ?eid) (= a :foo/uuid) (= v "aaa")])
  21 | 
  22 | (r/defsession empty-session 'net.eraserhead.clara-eql.core.many-valued-join-test)
-------^------------------------------------------------------------------------
Encountered error when macroexpanding clara.macros/defsession.
NullPointerException: Cannot invoke "clojure.lang.Named.getName()" because "x" is null
	clojure.core/name (core.clj:1610)
	clojure.core/name (core.clj:1604)
	clara.rules.compiler/get-cljs-accessors (compiler.clj:143)
...)

--------------------------------------------------------------------------------
  23 | 
  24 | (deftest t-defrule-many-valued-join
  25 |   (testing "about joins"
  26 |     (is (= {:foo/many-valued [{:bar/name "b11"}
--------------------------------------------------------------------------------

After

------ ERROR -------------------------------------------------------------------
 File: /home/jfelice/src/clara-eql/test/net/eraserhead/clara_eql/core/many_valued_join_test.cljc:22:1
--------------------------------------------------------------------------------
  19 |   :where
  20 |   [EAV (= e ?eid) (= a :foo/uuid) (= v "aaa")])
  21 | 
  22 | (r/defsession empty-session 'net.eraserhead.clara-eql.core.many-valued-join-test)
-------^------------------------------------------------------------------------
Encountered error when macroexpanding clara.macros/defsession.
Unable to resolve symbol clara_eav.eav.EAV
{:symbol clara_eav.eav.EAV, :ns net.eraserhead.clara-eql.core.many-valued-join-test}
ExceptionInfo: Unable to resolve symbol clara_eav.eav.EAV
	clara.rules.compiler/get-cljs-accessors (compiler.clj:144)
	clara.rules.compiler/get-cljs-accessors (compiler.clj:138)
	clara.rules.compiler/get-fields (compiler.clj:201)
...

--------------------------------------------------------------------------------
  23 | 
  24 | (deftest t-defrule-many-valued-join
  25 |   (testing "about joins"
  26 |     (is (= {:foo/many-valued [{:bar/name "b11"}
--------------------------------------------------------------------------------

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[eraserhd]

I'm still not able to create an Oracle account or sign the agreement. I tried using Chrome and inspecting the error payload, but there's nothing there. :/