diff --git a/main.cpp b/main.cpp
index 52b9b5a..b1c63ae 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1320,7 +1320,12 @@ void load_student_grades(std::vector<Student*> &students) {
             a = "null";
           }
           s->setSection(a);
-
+    } else if (token == "rotating_section") {
+      int a = -1;
+      if (!j[token].is_null()) {
+        a = j[token].get<int>();
+      }
+      s->setRotatingSection(a);
     } else if (token == "default_allowed_late_days") {
                   int value = 0;
                   if (!j[token].is_null()) {
@@ -1776,6 +1781,35 @@ void initialize_time(std::string &now_string, int &year, int &month, int &day) {
 }
 
 
+void loadAllowedLateDays(std::vector<Student*> &students) {
+  std::ifstream istr("polls/late_days.csv");
+  if (!istr.good()) return;
+  std::string s;
+  while (istr >> s) {
+    int x = s.find(',');
+    std::string username = s.substr(0,x);
+    s = s.substr(x+1,100);
+
+    x = s.find(',');
+    std::string date = s.substr(0,x);
+    s = s.substr(x+1,100);
+
+    int allowed = std::stoi(s);
+
+    //std::cout << "foo " << s << " ---  " << username << " -  " <<date << " -  " << allowed <<std::endl;
+
+    for (int i = 0; i < students.size(); i++) {
+      Student* s = students[i];
+      if (s->getUserName() == username) {
+        s->setCurrentAllowedLateDays(allowed);
+        break;
+      }
+    }
+
+  }
+}
+
+
 int main(int argc, char* argv[]) {
 
   //std::string sort_order = "by_overall";
@@ -1793,6 +1827,8 @@ int main(int argc, char* argv[]) {
   std::vector<Student*> students;  
   processcustomizationfile(now_string,students);
 
+  loadAllowedLateDays(students);
+
   // ======================================================================
   // SUGGEST CURVES
   suggest_curves(students);
diff --git a/output.cpp b/output.cpp
index 94659c3..7d471dd 100644
--- a/output.cpp
+++ b/output.cpp
@@ -160,6 +160,7 @@ std::string coloritcolor(float val,
   //check for nan
   if (val != val) return "ffffff";
   if (std::isinf(val)) return "00ff00";
+  if (std::isnan(perfect)) return "00ff00";
 
   //std::cout << "coloritcolor " << val << " " << perfect << " " << a << " " << b << " " << c << " " << d << std::endl;
   assert (perfect >= a &&
@@ -1163,8 +1164,17 @@ void start_table_output( bool for_instructor,
 
 void end_table(std::ofstream &ostr,  bool for_instructor, Student *s) {
 
+  ostr << "<p>* = 1 late day used</p>" << std::endl;
 
-    ostr << "<p>* = 1 late day used</p>" << std::endl;
+  if (s != NULL) {
+    std::ifstream istr("polls/student_files/"+s->getUserName()+".html");
+    if (istr.good()) {
+      std::string tmp_s;
+      while (getline(istr,tmp_s)) {
+        ostr << tmp_s;
+      }
+    }
+  }
 
   if (GLOBAL_instructor_output == false &&
       DISPLAY_ICLICKER) {
diff --git a/student.cpp b/student.cpp
index 5bfc438..0c89bb2 100644
--- a/student.cpp
+++ b/student.cpp
@@ -29,6 +29,7 @@ Student::Student() {
   }
   // (iclicker defaults to empty map)
 
+  rotating_section = -1;
   zones = std::vector<std::string>(GRADEABLES[GRADEABLE_ENUM::TEST].getCount(),"");
   moss_penalty = 0;
   cached_hw = -1;
diff --git a/student.h b/student.h
index 0be14a8..527e06c 100644
--- a/student.h
+++ b/student.h
@@ -85,6 +85,7 @@ class Student {
   
   // registration status
   const std::string& getSection()           const { return section; }
+  int getRotatingSection()   const { return rotating_section; }
   bool getAudit()            const { return audit; }
   bool getWithdraw()         const { return withdraw; }
   bool getIndependentStudy() const { return independentstudy; }
@@ -138,6 +139,7 @@ class Student {
 
   // registration status
   void setSection(std::string x) { section = x; }
+  void setRotatingSection(int x) { rotating_section = x; }
   void setAudit() { audit = true; }
   void setWithdraw() { withdraw = true; }
   void setIndependentStudy() { independentstudy = true; }
@@ -213,6 +215,7 @@ class Student {
 
     // registration status
   std::string section;
+  int rotating_section;
   bool audit;
   bool withdraw;
   bool independentstudy;