added file_tests module and file_tests_spec to check if the
files are microstation drawings
add an errors file for specific exceptions
moved spec/drawings to cad_files.  deleted unused files
output_path(file) was added.  Needs to be commited earlier!!
removed microstations/extenstions/hash.rb
added gem 'hash_maps'
changed the mapping to hash.map_keys
added drawing.get_text and specs for this

get_text_in_drawing_with_block() function to spec_helper
to use in drawing_spec.rb and microstation_spec.rb

added Microstation.get_text and tested it in microstation_spec.rb
moved all the commented code in drawing_spec.rb to bottom.
TODO: see if tests are needed
added Microstation.get_text
this needs to be merged with 4fc31b5
cleaned and refactored template.rb
add spec file for this spec/template_spec.rb
added an error file
added to_regexp to these files so that  they act more like strings
added .gitignore to get ignore test_ouput files
don't need this file
updated the version

updated Manifest.txt for changes