revise version in INSTALL_ME, again

inst/INSTALL_ME.txt

@@ -39,10 +39,10 @@ INSTALLATION OF R AND R/QTL (Windows)
 
      This will download the binary from CRAN and install it.
 
-     Alternatively, you can download the "qtl_1.64.zip" (or the
+     Alternatively, you can download the "qtl_1.66.zip" (or the
      equivalent).  Then start R and select (on the menu bar)
      "Packages" and then "Install package from local zip file...".
-     Find the file "qtl_1.64.zip" on your hard drive, and click
+     Find the file "qtl_1.66.zip" on your hard drive, and click
      "Open".
 
 
@@ -58,7 +58,7 @@ INSTALLATION OF R AND R/QTL (MacOS version 10.13 and above)
      This will download the binary from CRAN and install it.
 
      Alternatively, download the compiled version of R/qtl for
-     Mac OS X, a file like "qtl_1.64.tgz".  Then start R and
+     Mac OS X, a file like "qtl_1.66.tgz".  Then start R and
      select (on the menu bar) "Packages & Data" -> "Package
      Installer".  Select "Local Binary Package" from the drop-down
      menu at the top of the window that comes up.  Click "Install"
@@ -78,19 +78,19 @@ INSTALLATION OF R/QTL (Unix)
      This will download the binary from CRAN and install it.
 
      Alternatively, download the R/qtl source code (a file like
-     "qtl_1.64.tar.gz").  Go into the directory containing the
+     "qtl_1.66.tar.gz").  Go into the directory containing the
      file and do one of the following:
 
      a. To install R/qtl in the standard location
         (/usr/local/lib/R/library), type
 
-            R CMD INSTALL qtl_1.64.tar.gz
+            R CMD INSTALL qtl_1.66.tar.gz
 
         You'll probably need to be superuser.
 
      b. To install the package locally, type
 
-            R CMD INSTALL --library=/home/auser/Rlibs qtl_1.64.tar.gz
+            R CMD INSTALL --library=/home/auser/Rlibs qtl_1.66.tar.gz
 
         (where "/home/auser/Rlibs" should be replaced with the
         appropriate directory).