tests: #include <iostream> and using namespace std; for std::cout and std::endl

Otherwise timing programs fail to compile.

tests/main.cc

@@ -11,6 +11,9 @@
 //#include <cln/modinteger.h>
 //#include <cln/numtheory.h>
 #include <cln/timing.h>
+using namespace cln;
+#include <iostream>
+using namespace std;
 
 #define DUMP(expr)  \
 	fprint(cout, #expr" = "); fprint(cout, expr); fprint(cout, "\n");

tests/timeLFRAmul.cc

@@ -9,7 +9,9 @@
 #include <cstdlib>
 #include <cstring>
 #include <cln/timing.h>
+#include <iostream>
 using namespace cln;
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timeLFatan.cc

@@ -10,6 +10,8 @@
 #include <cstring>
 #include <cln/timing.h>
 using namespace cln;
+#include <iostream>
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timeLFatanh.cc

@@ -11,6 +11,8 @@
 #include <cstring>
 #include <cln/timing.h>
 using namespace cln;
+#include <iostream>
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timeLFcos.cc

@@ -10,6 +10,8 @@
 #include <cstring>
 #include <cln/timing.h>
 using namespace cln;
+#include <iostream>
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timeLFcosh.cc

@@ -10,6 +10,8 @@
 #include <cstring>
 #include <cln/timing.h>
 using namespace cln;
+#include <iostream>
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timeLFexp.cc

@@ -9,6 +9,9 @@
 #include <cstdlib>
 #include <cstring>
 #include <cln/timing.h>
+using namespace cln;
+#include <iostream>
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timeLFln.cc

@@ -9,6 +9,9 @@
 #include <cstdlib>
 #include <cstring>
 #include <cln/timing.h>
+using namespace cln;
+#include <iostream>
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timeLFsin.cc

@@ -10,6 +10,9 @@
 #include <cstring>
 #include <cln/timing.h>
 using namespace cln;
+#include <iostream>
+using namespace std;
+
 
 int main (int argc, char * argv[])
 {

tests/timeLFsinh.cc

@@ -10,6 +10,8 @@
 #include <cstring>
 #include <cln/timing.h>
 using namespace cln;
+#include <iostream>
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timeLFsqrt.cc

@@ -9,7 +9,9 @@
 #include <cstdlib>
 #include <cstring>
 #include <cln/timing.h>
+#include <iostream>
 using namespace cln;
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timeMImisc5.cc

@@ -6,6 +6,8 @@
 #include <cstring>
 #include <cln/timing.h>
 using namespace cln;
+#include <iostream>
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timeRALFdiv.cc

@@ -9,7 +9,9 @@
 #include <cstdlib>
 #include <cstring>
 #include <cln/timing.h>
+#include <iostream>
 using namespace cln;
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timeRAtoLF.cc

@@ -8,7 +8,9 @@
 #include <cstdlib>
 #include <cstring>
 #include <cln/timing.h>
+#include <iostream>
 using namespace cln;
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timeUPMImul.cc

@@ -7,6 +7,8 @@
 #include <cstring>
 #include <cln/timing.h>
 using namespace cln;
+#include <iostream>
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timecatalan.cc

@@ -7,7 +7,9 @@
 #include <cstring>
 #include <cln/timing.h>
 #include "float/lfloat/cl_LF.h"
+#include <iostream>
 using namespace cln;
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timesqrtmodp.cc

@@ -8,6 +8,8 @@
 #include <cstring>
 #include <cln/timing.h>
 using namespace cln;
+#include <iostream>
+using namespace std;
 
 int main (int argc, char * argv[])
 {

tests/timezeta3.cc

@@ -7,6 +7,8 @@
 #include <cln/timing.h>
 #include "float/lfloat/cl_LF.h"
 using namespace cln;
+#include <iostream>
+using namespace std;
 
 int main (int argc, char * argv[])
 {