Numerous little changes to spandsp that haven't been pushed to Freeswitch for a

while. The only big changes are a majorly rewritten V.42 and V.42bis which are
now basically functional.

libs/spandsp/wrapper.xsl

@@ -2,4 +2,4 @@
                 version='1.0'>
   <xsl:import href="http://docbook.sourceforge.net/release/xsl/current/xhtml/chunk.xsl"/>
   <xsl:param name="html.stylesheet">css.css</xsl:param>
-</xsl:stylesheet>
+</xsl:stylesheet>