Añadida página man y cambios en install.sh y lch

lch

@@ -1,5 +1,5 @@
 #!/bin/bash
-VERSION=0.1r6
+VERSION=0.1r7
 
 if [ "$1" = "version" ] || [ "$1" = "--version" ] || [ "$1" = "-v" ]
 then    
@@ -12,7 +12,7 @@ else
     echo ""
 fi
 
-function descompressor()
+function decompressor()
 {
     case $1 in
         *.tar)
@@ -40,7 +40,7 @@ function descompressor()
             7za e $1
         ;;
         *)  
-            echo "Extent not found."
+            echo "Extension not found."
             echo "For more information --help"
             echo ""
         ;;
@@ -118,6 +118,14 @@ then
     exit 0
 fi
 
+if [ "$1" = "version" ] || [ "$1" = "--version" ] || [ "$1" = "-v" ]
+then
+    echo ""
+    echo "lch $VERSION"
+    echo ""
+    exit 0
+fi
+
 if [ -z "$1" ] || [ -n "$3" ]
 then
     echo "Wrong arguments"
@@ -132,9 +140,9 @@ else
         echo ""
         compressor $1 $2
     else
-        echo "Descompressor:"
+        echo "Decompressor:"
         echo "--------------"
         echo ""
-        descompressor $1
+        decompressor $1
     fi
 fi