Fixes to generated html name

Author: barbarer

pretext/functions/func-group.ptx

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<worksheet xml:id="func_basics_groupsub" groupwork="yes" groupsize="4" label="exercises-groupwork">
+<worksheet xml:id="func_basics_groupsub" groupwork="yes" groupsize="4" label="func-group">
   <title>Group Work: Functions</title>
 <section xml:id="functions_group-work-functions">
   <title>Introduction</title>

pretext/functions/func-string.ptx

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<worksheet xml:id="func_string_groupsub" groupwork="yes" groupsize="4" label="exercises-groupwork">
+<worksheet xml:id="func_string_groupsub" groupwork="yes" groupsize="4" label="func-string">
   <title>Group Work: Functions and Strings</title>
 <section xml:id="functions_group-work-functions-and-strings">
   <title>Introduction</title>

pretext/functions/funcWithCond.ptx

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<worksheet xml:id="func_cond_groupsub" groupwork="yes" groupsize="4" label="exercises-groupwork">
+<worksheet xml:id="func_cond_groupsub" groupwork="yes" groupsize="4" label="funcWithCond">
   <title>Group Work: Functions and Conditionals</title>
 <section xml:id="functions_group-work-functions-and-conditionals">
   <title>Introduction</title>

pretext/functions/funcWithLists.ptx

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<worksheet xml:id="func_list_groupsub" groupwork="yes" groupsize="4" label="exercises-groupwork">
+<worksheet xml:id="func_list_groupsub" groupwork="yes" groupsize="4" label="funcWithLists">
   <title>Group Work: Functions and Lists</title>
 <section xml:id="functions_group-work-functions-and-lists">
   <title>Introduction</title>

pretext/functions/funcWithLoops.ptx

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<worksheet xml:id="func_loop_groupsub" groupwork="yes" groupsize="4" label="exercises-groupwork">
+<worksheet xml:id="func_loop_groupsub" groupwork="yes" groupsize="4" label="funcWithLoops">
   <title>Group Work: Functions with Loops</title>
 <section xml:id="functions_group-work-functions-with-loops">
   <title>Introduction</title>

pretext/functions/funcWithStrsAndConds.ptx

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<worksheet xml:id="func_tuplesanddict_groupsub" groupwork="yes" groupsize="4" label="groupwork-tuplesanddict">
+<worksheet xml:id="func_strsconds_groupsub" groupwork="yes" groupsize="4" label="funcWithStrsAndConds">
   <title>Group Work: Functions with Strings and Conditionals</title>
 <section xml:id="functions_group-work-functions-with-strings-and-conditionals">
   <title>Introduction</title>

pretext/functions/funcWithTuplesAndDict.ptx

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<worksheet xml:id="func_tuplesanddict_groupsub" groupwork="yes" groupsize="4" label="exercises-groupwork">
+<worksheet xml:id="func_tuplesanddict_groupsub" groupwork="yes" groupsize="4" label="funcWithTuplesAndDict">
   <title>Group Work: Functions with Tuples and Dictionaries</title>
 <section xml:id="functions_group-work-functions-with-tuples-and-dictionaries">
   <title>Introduction</title>