misc lispusers changes -- UNIXYCD, lsee (#889)

* Move cd, ls, pwd to it's own little lispusers (needs documentation)

* add .TXT documentation, also patch lsee script to translate ^ and _ to up and left arrow

* Add document for CONDITIONGRAPH

scripts/lsee

@@ -2,6 +2,7 @@
 
 # Usage 'lsee file'
 # translates CR as newline
+# translate _ and ^
 # changes font-change control-characters ^F^x
 # to linux color escapes:
 # A	regular
@@ -9,9 +10,11 @@
 # C     comment yellow
 # D     big/bold red
 
-export LANG=C
+export LANG=en_US.UTF-8
 tr '\r' '\n' < $1 | \
-    sed -e 's/
//g' \
+    sed -e 's/_/←/g'        \
+	-e 's/^/↑/g'        \
+	-e 's/
//g' \
 	-e 's///g'\
 	-e 's///g' \
 	-e 's///g'\