tighten types, improve error printing, and fix an error in cdata
int64 to int to solve 32/64 bit interop
Does not return a dummy root element anymore
Search syntax searches from the passed pd as root is the search string starts with a '/', else from its children.
Empty root, but xp_parse still returns the container element
first cut at xpath implementation
huge refactoring to support more powerful xpath
updated readme and tests for new xpath stuff
parse most xpath expressions (missing: parens and most functions)
fixed utf-8 string length computation
changed method to get length of UTF8 string
support most xpath expressions
add some more string functions
Merge pull request #7 from vtjnash/jn-xpath

xpath
Merge remote-tracking branch 'origin/jn-xpath'
add startswith function to xpath
api for supporting alternative node types for return (still need to document), and add untested implementations of the rest of the functions
xpath_str macro for more efficient usage, allow parsing and using any type of xpath expression, fix several bugs, and update readme
Merge branch 'jn-xpath-add' of git://github.com/vtjnash/LibExpat.jl into vtjnash-jn-xpath-add
fix find() xpath types, reduce number of unnecessary exports
Merge branch 'jn-xpath-add' of git://github.com/vtjnash/LibExpat.jl into vtjnash-jn-xpath-add