bundle exec ruby run.rb
/Users/aurels/.rbenv/versions/2.0.0-p0/lib/ruby/gems/2.0.0/bundler/gems/ruby-docx-templater-f9c7f2bca74e/lib/docx_templater/docx_creator.rb:34:in `read_existing_template_docx': uninitialized constant DocxTemplater::DocxCreator::Zip (NameError)
from /Users/aurels/.rbenv/versions/2.0.0-p0/lib/ruby/gems/2.0.0/bundler/gems/ruby-docx-templater-f9c7f2bca74e/lib/docx_templater/docx_creator.rb:19:in `generate_docx_bytes'
from /Users/aurels/.rbenv/versions/2.0.0-p0/lib/ruby/gems/2.0.0/bundler/gems/ruby-docx-templater-f9c7f2bca74e/lib/docx_templater/docx_creator.rb:13:in `generate_docx_file'
from run.rb:14:in `<main>'
aurels@ruby-docs-templater-test[]: bundle exec ruby run.rb
/Users/aurels/.rbenv/versions/2.0.0-p0/lib/ruby/gems/2.0.0/bundler/gems/ruby-docx-templater-f9c7f2bca74e/lib/docx_templater/docx_creator.rb:34:in `read_existing_template_docx': uninitialized constant DocxTemplater::DocxCreator::Zip (NameError)
from /Users/aurels/.rbenv/versions/2.0.0-p0/lib/ruby/gems/2.0.0/bundler/gems/ruby-docx-templater-f9c7f2bca74e/lib/docx_templater/docx_creator.rb:19:in `generate_docx_bytes'
from /Users/aurels/.rbenv/versions/2.0.0-p0/lib/ruby/gems/2.0.0/bundler/gems/ruby-docx-templater-f9c7f2bca74e/lib/docx_templater/docx_creator.rb:13:in `generate_docx_file'
from run.rb:13:in `<main>'