[README] Removing some redundant comments in the README that really should be explained in the godoc.org documentation
[README] linking out to the Point documentation in order to allow users to understand what functions are available to them outside of using sql
[README] removing useless text
[README] Attempting to make README a bit more clear about why you would need to use sql
[README] small aesthetic change
[README] Introducing a bit more documentation to help clarify what the  variable does
[README] Fixing some typos
[README] Fixing some more gramattical mistakes
[README] Adding some notes for how the  env variable is intended to work