release: version bump to v0.18-DEV
release: version bump to v0.18-DEV

mdhender/hugo,MarkDBlackwell/hugo,fedelibre/hugo,jygastaud/hugo,fedelibre/hugo,mitchchn/hugo,digitalcraftsman/hugo,fedelibre/hugo,mayah/hugo,gohugoio/hugo,fedelibre/hugo,MarkDBlackwell/hugo,mdhender/hugo,digitalcraftsman/hugo,bogem/hugo,anthonyfok/hugo,mayah/hugo,tubo028/hugo,anthonyfok/hugo,mdhender/hugo,gohugoio/hugo,gohugoio/hugo,Zenithar/hugo,anthonyfok/hugo,bogem/hugo,jygastaud/hugo,Zenithar/hugo,mitchchn/hugo,mdhender/hugo,tubo028/hugo