Merge pull request #15 from tonyroberts/develop

Don't default the docstring for classes with a ctor if a docstring was added using DocStringAttribute.
Add unit tests for class and method docstrings.

fixes #14
Update .gitignore
Put quotes around the path to msbuild in setup.py
Add more meta data to setup.py
Merge pull request #16 from davidanthoff/msbuildinquotes

Put quotes around the path to msbuild in setup.py
Merge pull request #17 from davidanthoff/moremetadata

Add more meta data to setup.py
More meta data in setup.py
Find msbuild.exe path from registry
Merge pull request #18 from davidanthoff/findmsbuildpathfromreg

Find msbuild.exe path from registry
Migrate NuGet to automatic package restore
Update Unmanaged Exports package
Remove NoNuGet option from setup.py
Merge pull request #20 from davidanthoff/nugetupdate

Update NuGet to automatic package restore
Merge pull request #21 from davidanthoff/dllexportupdate

Update Unmanaged Exports package
Fix error in setup.py computing path to nPython.exe
Merge pull request #23 from davidanthoff/fixscriptpatherror

Fix error in setup.py computing path to nPython.exe
Add *.pyc to .gitignore
Call msbuild only on Mono in shell mode
Add appveyor.yml file