Merge branch 'master' into fix/float-and-better-logging

src/propeller/tools/math.cljc

@@ -5,7 +5,7 @@
                :cljs js/Math.PI))
 
 (defonce ^{:no-doc true :const true} E #?(:clj  Math/E
-              :cljs js/Math.PI))
+              :cljs js/Math.E))
 
 (defn step
   "returns 1 if number is nonzero, 0 otherwise"
@@ -141,4 +141,4 @@
 (defn transpose
   "returns a vector containing the transpose of a coll of colls"
   [x]
-  (apply map vector x))
+  (apply map vector x))