some fixes [multithreading,..]

needed interface changes [new options]
logger for android
wifi-ap-optimization
new test-cases

Assertions.h

@@ -64,7 +64,10 @@ namespace Assert {
 	}
 
 	template <typename T, typename STR> static inline void isNear(const T v1, const T v2, const T delta, const STR err) {
-		if (std::abs(v1-v2) > delta) {doThrow(err);}
+		if (std::abs(v1-v2) > delta) {
+			std::stringstream ss; ss << "\nexpected " << v1 << " +/- " << delta << " but is " << v2 << "\n";
+			doThrow(err+ss.str());
+		}
 	}
 
 	template <typename T, typename STR> static inline void isBetween(const T v, const T min, const T max, const STR err) {