Update gitignore

Use a more comprehensive gitignore

Author: vmuriart

.gitignore

@@ -1,14 +1,56 @@
-*.suo
-*.pdb
-[Oo]bj/
-[Bb]in/
+# General binaries and Build results
 *.dll
-*.pyd
 *.exe
-*.pyc
-packages/*
-dist
-pythonnet.egg-info
-*.userprefs
+*.pdb
+
+### JetBrains ###
+.idea/
+
+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+
+# Distribution / packaging
 build/
-tools/nuget/*.exe
+dist/
+*.egg-info/
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+coverage.xml
+
+### CSharp ###
+# User-specific files
+*.suo
+*.user
+*.vcxproj.filters
+*.userprefs
+*.DotSettings.user
+
+# Build results
+[Bb]in/
+[Oo]bj/
+
+# Visual Studio cache/options directory
+.vs/
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# OpenCover
+/results.xml
+
+# NuGet Packages
+**/packages/*
+
+# VS Project upgrade log files
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm