Add basic operations to string
Add basic operations to string

datawire/quark,datawire/datawire-connect,bozzzzo/quark,bozzzzo/quark,datawire/datawire-connect,datawire/datawire-connect,datawire/quark,datawire/quark,datawire/quark,bozzzzo/quark,datawire/quark,datawire/datawire-connect,bozzzzo/quark,datawire/quark