allow setting prerelease versions other then -pre

internal/setversion.sh

@@ -7,15 +7,15 @@ AMBER_BASE=`pwd`
 cd $AMBER_BASE/src
 # replace version number
 cp Kernel-Infrastructure.st Kernel-Infrastructure.st.bak
-sed -e "/^version\$/,/^\! \!\$/ s/\^ '[0-9]\{1,\}\.[0-9]\{1,\}\.[0-9]\{1,\}\(-pre\)\{0,1\}'\$/^ '$VERSION'/" Kernel-Infrastructure.st.bak >Kernel-Infrastructure.st
+sed -e "/^version\$/,/^\!\( |\$\)/ s/\^ '[0-9]\{1,\}\.[0-9]\{1,\}\.[0-9]\{1,\}\(-.\{0,\}\)\{0,1\}'\$/^ '$VERSION'/" Kernel-Infrastructure.st.bak >Kernel-Infrastructure.st
 rm Kernel-Infrastructure.st.bak
 
 # compile Kernel-Infrastructure
 cd $AMBER_BASE
 internal/local-amberc -D src -l Kernel-Objects,Kernel-Collections src/Kernel-Infrastructure.st
 # set version in all json files (bower, npm)
-for F in *.json; do
+for F in bower.json package.json; do
   cp $F $F.bak
-  sed -e 's/"version": "[0-9]\{1,\}\.[0-9]\{1,\}\.[0-9]\{1,\}\(-pre\)\{0,1\}"/"version": "'"$VERSION"'"/' $F.bak >$F
+  sed -e 's/"version": "[0-9]\{1,\}\.[0-9]\{1,\}\.[0-9]\{1,\}\(-.\{0,\}\)\{0,1\}"/"version": "'"$VERSION"'"/' $F.bak >$F
   rm $F.bak
 done