Add other SaveChanges methods as virtual

What's Changed

• Develop by @A-Programmer in #44
• Develop by @A-Programmer in #47
• Develop by @A-Programmer in #49
• Develop by @A-Programmer in #51
• Improve PhoneNumber validation by @A-Programmer in #52
• Improve PhoneNumber Validation by @A-Programmer in #53
• Update PhoneNumber validation by @A-Programmer in #54
• Update PhoneNumber validation by @A-Programmer in #55
• Fix PhoneNumber validation by @A-Programmer in #56
• Fix PhoneNumber validation by @A-Programmer in #57
• Fix -s in Regex PhoneNumber validation by @A-Programmer in #58
• Fix -s in Regex PhoneNumber validation by @A-Programmer in #59
• Fix DomainEvents by @A-Programmer in #60
• Develop by @A-Programmer in #61
• Fix DomainEvents by @A-Programmer in #62
• Develop by @A-Programmer in #63
• Fix domain events by @A-Programmer in #64
• Add virtual SaveChange methods to IUnitOfWork by @A-Programmer in #65
• Tag Nuget version by @A-Programmer in #66
• Develop by @A-Programmer in #67

Full Changelog: v1.4.42...v1.4.44