new API building Python script, does the C parsing directly, generates a

* doc/apibuild.py doc/libxml2-api.xml doc/Makefile.am: new API
  building Python script, does the C parsing directly, generates
  a better API description including structure fieds defs and
  enums. Still a couple of bugs, but good enough for the python
  wrappers now.
* DOCBparser.c SAX.c nanohttp.c parser.c parserInternals.c tree.c
  valid.c xmlIO.c xmlmemory.c xmlreader.c xmlregexp.c xmlschemas.c
  include/libxml/schemasInternals.h include/libxml/tree.h: more
  cleanup based on the python analysis script reports.
* libxml.spec.in: make sure the API XML description is part of the
  devel package.
Daniel
diff --git a/nanohttp.c b/nanohttp.c
index c07587e..614fab7 100644
--- a/nanohttp.c
+++ b/nanohttp.c
@@ -1422,6 +1422,8 @@
  * xmlNanoHTTPContentLength:
  * @ctx:  the HTTP context
  *
+ * Provides the specified content length from the HTTP header.
+ *
  * Return the specified content length from the HTTP header.  Note that
  * a value of -1 indicates that the content length element was not included in
  * the response header.
@@ -1439,6 +1441,8 @@
  * @ptr:  pointer to set to the content buffer.
  * @len:  integer pointer to hold the length of the content
  *
+ * Check if all the content was read
+ *
  * Returns 0 if all the content was read and available, returns
  * -1 if received content length was less than specified or an error 
  * occurred.