Set bouncer buffer size

src/freedombone-app-irc

 IRC_PASSWORD=
 
 # Number of entries for the bouncer to buffer
-IRC_BUFFER_LENGTH=100
+IRC_BUFFER_LENGTH=300
 
 irc_variables=(MY_USERNAME
                MY_NAME
     echo '    AppendTimestamp = false' >> /home/znc/.znc/configs/znc.conf
     echo '    AutoClearChanBuffer = true' >> /home/znc/.znc/configs/znc.conf
     echo '    AutoClearQueryBuffer = true' >> /home/znc/.znc/configs/znc.conf
-    echo '    Buffer = 100' >> /home/znc/.znc/configs/znc.conf
+    echo "    Buffer = ${IRC_BUFFER_LENGTH}" >> /home/znc/.znc/configs/znc.conf
     echo '    DenyLoadMod = false' >> /home/znc/.znc/configs/znc.conf
     echo '    DenySetBindHost = false' >> /home/znc/.znc/configs/znc.conf
     echo "    Ident = ${new_username}" >> /home/znc/.znc/configs/znc.conf