zsh: add code to load all external functions

.zshrc

@@ -198,8 +198,26 @@
 # <<<
 ### Functions >>>
 {
-   # grab all shell functions that are in files
-   source "$SHELL_CONFIG_DIR"/functions/*
+   # # put all shell functions in their own function that allows them to be updated
+   # for FN_PATH in "$SHELL_CONFIG_DIR"/functions/*;do
+   #    FN="${FN_PATH##*/}"
+   #    "$FN"() {
+   #       $(source "$FN_PATH")
+   #    }
+   #
+   #    echo "Declared function $FN"
+   #    echo "Contents of $FN:"
+   #    which "$FN"
+   #    echo
+   # done
+
+   # load all functions that are stored in files
+   fnupdate() {
+      for FN in "$SHELL_CONFIG_DIR"/functions/*;do
+         source "$FN"
+      done
+   }
+   fnupdate
 
    # for sending error messages from functions and whatnot
    error() {