Introduce useful string functions [Simple Snake]

[“Plane” Abhabongse Janthong]

Here is where to get started:

• Jinja2 Built-in Filters
• Django Built-in Tags and Filters
• Use ChainMap for scope shadowing
• Conditionals (if) and Loops (for) Paxter functions

[“Plane” Abhabongse Janthong]

String functions addressed in commit: 6fec1ff

[“Plane” Abhabongse Janthong]

For loops added in 3ee0cf3.
If conditionals added in ed00ddc.