Add new GS1 Tags, fix bugs (#42)

7040 missing symbol ^;
7240 missing symbol ^;
235 change tag from 243, set Fnc1Required to true;
Update tags RegularExpression;
New tags:
3100 NET WEIGHT (kg)
3950-3959 PRICE/UoM
4300 SHIP TO COMP
4301 SHIP TO NAME
4302 SHIP TO ADD1
4303 SHIP TO ADD2
4304 SHIP TO SUB
4305 SHIP TO LOC
4306 SHIP TO REG
4307 SHIP TO COUNTRY          
4308 SHIP TO PHONE            
4309 SHIP TO GEO
4310 RTN TO COMP
4311 RTN TO NAME
4312 RTN TO ADD1
4313 RTN TO ADD2
4314 RTN TO SUB
4315 RTN TO LOC
4316 RTN TO REG
4317 RTN TO COUNTRY
4318 RTN TO POST
4319 RTN TO PHONE
4320 SRV DESCRIPTION
4321 DANGEROUS GOODS
4322 AUTH TO LEAVE
4323 SIG REQUIRED
4324 NBEF DEL DT
4325 NAFT DEL DT
4326 REL DATE
7011 TEST BY DATE
715 NHRN NDC

Data obtained from the site: https://www.gs1.org/standards/barcodes/application-identifiers/