Add pylogfilename and pyloglevel functions to allow separating python logging. Unify recollinit calls

src/utils/log.cpp

@@ -23,7 +23,7 @@
 using namespace std;
 
 Logger::Logger(const std::string& fn)
-    : m_tocerr(false), m_loglevel(LLDEB), m_fn(fn)
+    : m_fn(fn)
 {
     reopen(fn);
 }

src/utils/log.h

@@ -81,8 +81,8 @@ public:
 #endif
     
 private:
-    bool m_tocerr;
-    int m_loglevel;
+    bool m_tocerr{false};
+    int m_loglevel{LLERR};
     std::string m_fn;
     std::ofstream m_stream;
 #if LOGGER_THREADSAFE