Added SemVer note
Added SemVer note
fesor/commonmark,postalservice14/commonmark,thephpleague/commonmark,hason/commonmark,fesor/commonmark,bcremer/commonmark,kkiernan/commonmark,garethellis36/commonmark,postalservice14/commonmark,thephpleague/commonmark,cebe/markdown-1,kkiernan/commonmark,stof/commonmark,colinodell/commonmark,garethellis36/commonmark,hason/commonmark