Merge pull request #86 from totalwar/master

added zip compression option (with default value DEFLATE)
better compressionn option
update readme
added Tag and Value inside error when variable contains { or }
up to v0.7.6
better management of the drawings with qrcode
update QrCode on @result undefined
added return to docxqrcode
better qrcode managing when they are both images in header and document
better addImageRels in case we want to add twice the same image
added new case where loops get corrupted docx
added even more simple regression test
corrected bug when </w:t><w:t>{name}
removed duplicate callback when async===true (solves #89)
refactoring of xmlUtil (no more a class)
Added support for parent scoping search.
better xml2Str and Str2xml
small refactoring
Merge remote-tracking branch 'remotes/upstream/master'

ez entrer un message de validation pour expliquer en quoi cette fusion est
# nécessaire, surtout si cela fusionne une branche amont mise à jour dans une branche de sujet.
#
# Les lignes commençant par '#' seront ignorées, et un message vide
# abandonne la validation.
more simple templaterstate@movecharacters