alias clear as 'refresh'.

lib/pry/config/behavior.rb

@@ -78,10 +78,11 @@ module Pry::Config::Behavior
     @lookup.key?(key)
   end
 
-  def refresh
+  def clear
     @lookup.clear
     true
   end
+  alias_method :refresh, :clear
 
   def forget(key)
     @lookup.delete(key.to_s)

spec/config_spec.rb

@@ -124,6 +124,26 @@ describe Pry::Config do
     end
   end
 
+  describe "#clear" do
+    before do
+      @local = Pry::Config.new(nil)
+    end
+
+    it "returns true" do
+      @local.clear.should == true
+    end
+
+    it "clears local assignments" do
+      @local.foo = 1
+      @local.clear
+      @local.to_hash.should == {}
+    end
+
+    it "is aliased as #refresh" do
+      @local.method(:clear).should == @local.method(:refresh)
+    end
+  end
+
   describe "#[]=" do
     it "stores keys as strings" do
       local = Pry::Config.from_hash({})

spec/helper.rb

@@ -21,7 +21,6 @@ $VERBOSE = nil
 
 Pad = Class.new do
   include Pry::Config::Behavior
-  alias_method :clear, :refresh
 end.new(nil)
 
 # to help with tracking down bugs that cause an infinite loop in the test suite