fixed export with multiple variable definitions and exit long long exit code overflows

todo_list

@@ -1,5 +1,26 @@
+exit with positive and negative 18/19 digits
+check error codes
+Export multiple variables
+./tester os_specific
+
+
+
+Open file descriptor with cat << eof | ls open fd and infinte loop
+Cat makefile | (echo yes && rev) leaks
+echo yes && echo yes && car dhdgdgjsk || echo no leaks
+echo abc && echo def | cat | rev && echo yes
+(), ((())), (())
+export leaks
+
+fix broken tests from tester
+
+
 To test:
 
+
+ctrl backslash in middle of line
+ctrl c on character we are ln with cursor, not end of line
+
 test signals
 test and verify all malocs
 verify forbidden functions