combined fixes for AIC mass recording, isUnstable ambiguity, and addi…

…ng Teff@ZAMS to possible output

src/BaseBinaryStar.cpp

@@ -1879,7 +1879,7 @@ void BaseBinaryStar::CalculateMassTransfer(const double p_Dt) {
     bool accretorIsWD                 = m_Accretor->IsOneOf(WHITE_DWARFS); 
 
     // Determine stability
-    bool isUnstable;
+    bool isUnstable = false;
     if (donorIsHeHGorHeGB && (caseBBAlwaysStable || caseBBAlwaysUnstable || (caseBBAlwaysUnstableOntoNSBH && accretorIsNSorBH))) { // Determine stability based on case BB 
         isUnstable = (caseBBAlwaysUnstable || (caseBBAlwaysUnstableOntoNSBH && accretorIsNSorBH));                              // Already established that donor is HeHG or HeGB - need to check if new case BB prescriptions are added
     } 

src/changelog.h

@@ -1109,8 +1109,10 @@
 //                                      - calling code for MassLossToFitInsideRocheLobe() and Mass0ToMatchDesiredCoreMass() now handles -ve return:
 //                                           - if MassLossToFitInsideRocheLobe() returns -ve value (i.e. no root found), the binary immediately enters a CE phase
 //                                           - if Mass0ToMatchDesiredCoreMass() returns -ve value (i.e. no root found), an arbitrary value is used for core mass (see code for value)
-// 02.42.02    RTW - Mar 21, 2024    - Minor enhancement:
-//                                           - Added output parameter TZAMS for internal variable m_TZAMS
+// 02.42.02    RTW - Mar 21, 2024    - Minor edits:
+//                                      - Defect repair : Added explicit definition `bool isUnstable = false` to avoid confusion in BaseBinaryStar.cpp
+//                                      - Defect repair : Fixed erroneous core mass values in ResolveSNIa in WhiteDwarfs.cpp. Was previously 0 for all core masses. 
+//                                      - Enhancement: Added output parameter TZAMS for internal variable m_TZAMS
 
 const std::string VERSION_STRING = "02.42.02";