pyparsing dependency incorrectly includes 2.0, which is py3 only

[marcus-sonestedt]

Limiting pyparsing to versions below 2.0 makes setup.py work again on python 2.x, like this:

index 64d4bc3..1a98005 100644
@@ -16,7 +16,7 @@ setup(
license = "GPL",
packages = ["freshen", "freshen.test"],
package_data = {'freshen': ['languages.yml']},

• install_requires = ['pyparsing>=1.5.0', 'PyYAML', 'nose>=0.11.1'],
• install_requires = ['pyparsing>=1.5.0, <2.0', 'PyYAML', 'nose>=0.11.1'],
  entry_points = {
  'nose.plugins.0.10': [
  'freshen = freshen.noseplugin:FreshenNosePlugin',