bin/rubyfca in rubyfca-0.2.10 vs bin/rubyfca in rubyfca-0.2.11

@@ -1,17 +1,15 @@
 #!/usr/bin/env ruby
 # -*- coding: utf-8 -*-
 
 $:.unshift File.join(File.dirname(__FILE__), '..', 'lib')
-require 'trollop'
 require 'rubyfca'
-require 'ruby_graphviz'
 
 ################ parse options ##########
 
 opts = Trollop::options do
-  version = File.read(File.dirname(__FILE__) + "/../VERSION")
+  version RubyFCA::VERSION
   banner <<-EOS
   
 RubuFCA converts Conexp CXT data to Graphviz dot format.
 
 Usage:
@@ -77,10 +75,10 @@
 #
 # context data is converted to a hash table
 #
 begin
   ctxt = FormalContext.new(inputdata, input_type, !opts[:full])
-  ctxt.calculate
+  ctxt.calcurate
 # rescue => e
 #   puts e
 #   showerror("Source data may have problems. Process aborted.", 1)
 end