fixed bug with Tally<> code only noticed by clang++
minor fixes to DataExchangeFormat/XML/SAXObjectReader (noticed only by clang++)
fixed typo
qCompilerAndStdLib_Supports_templated_constructionInTemplateConstructors workaround for clang++
Added qCompilerAndStdLib_Supports_toupper_tolower_overload to cover apparent clang++ compiler bug
fixed qCompilerAndStdLib_Supports_constexpr_StaticDataMember for clang++ (maybe not a bug but my misunderstanding?)
cosmetic
for linux - add -Wno-unknown-warning-option
Set qCompilerAndStdLib_Supports_regex to disabled for clang++: probably MY bug not clang++ - but since I marked itas a bug with gcc - and dont need that code - take expedient
qCompilerAndStdLib_Supports_templated_constructionInTemplateConstructors bug workaround for clang++ support
tweak gcc compiler warnings (mostly for clang++)
Added PinInRange() utility and used it to fix bug caught in Debugger.cpp by clang++
fixed regression in clean toDebug::DropIntoDebuggerIfPresent () - use of PinInRnage()
docs in PinInRange(require)