Resolve "add math core functions such as min, max from strhelper"

Closes #10 (closed) , #8 (closed), #9 (closed)

Introduction

Build fixed, math functions added, default enum types added for str, int, byte.

Note: Template Reference

Worked on Items

• #8 (closed) - Tests core added from strhelper
• #9 (closed) - Fixed build issues, there was an issue with byte overflow in Uppercase portion, changed the type to int16 as byte cannot hold -
• #10 (closed) - Fixed build issues, there

TODOs

• N/A

References

• https://play.golang.org/p/mFp_qfmKOta

Error Messaging Examples

	n := bytetype.Variant(5)

	n.IsTrue(5, 10)

Notes

• N/A

Merge Request Ordering

• N/A