Update configure file

Author: unihedron

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for spectrum 0.18.
+# Generated by GNU Autoconf 2.69 for spectrum 0.20.
 #
 # Report bugs to <BUG-REPORT-ADDRESS>.
 #
@@ -579,8 +579,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='spectrum'
 PACKAGE_TARNAME='spectrum'
-PACKAGE_VERSION='0.18'
-PACKAGE_STRING='spectrum 0.18'
+PACKAGE_VERSION='0.20'
+PACKAGE_STRING='spectrum 0.20'
 PACKAGE_BUGREPORT='BUG-REPORT-ADDRESS'
 PACKAGE_URL=''
 
@@ -1198,7 +1198,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures spectrum 0.18 to adapt to many kinds of systems.
+\`configure' configures spectrum 0.20 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1260,7 +1260,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of spectrum 0.18:";;
+     short | recursive ) echo "Configuration of spectrum 0.20:";;
    esac
   cat <<\_ACEOF
 
@@ -1339,7 +1339,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-spectrum configure 0.18
+spectrum configure 0.20
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1507,7 +1507,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by spectrum $as_me 0.18, which was
+It was created by spectrum $as_me 0.20, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -3388,7 +3388,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by spectrum $as_me 0.18, which was
+This file was extended by spectrum $as_me 0.20, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -3441,7 +3441,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-spectrum config.status 0.18
+spectrum config.status 0.20
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"