Simplify bool expression

replace if a==true: by if a:
Update documentation
git:ignore pycache
json2xml

add json2xml method
add __main__ that calls json
fix unresolved reference

v -> item
remove redundant elif

all strings are unicode in py3
fix 'format requires a mapping' in logs
Fix escaping of apos

assertEquals("Dracula&apos;s", xml_espcape("Dracula's")
git:ignore *.pyc
Merge branch 'python3' of github.com:regisd/dict2xml into python3