fix argument exception in analyzer extensions
add RunTests.ps1
add string format to string interpolation analyzer, closes #133
Merge pull request #141 from giggio/StringFormatInterpolationAnalyzer

add string format to string interpolation analyzer
Interpolated strings cannot be const (closes #140)
Merge pull request #143 from ElemarJR/FixConstBug

Interpolated strings cannot be const (closes #140)