fix(api)!: Renaming classes and creating a default package object

BREAKING CHANGE: A class which provides the ConfigValue Object was not a good deal Now there's a default package object called configparser which gives a Config(old ConfigValue) object

Author: BrunoSilvaAndrade

pyconfigparser.py

@@ -41,7 +41,7 @@ def values(self):
  return self.__dict__.values()
 
 
-class Configparser:
+class ConfigParser:
  def __init__(self):
  self.__instance = None
  self.__hold_an_instance = True
@@ -145,4 +145,4 @@ def __extract_env_variable_key(self, variable):
  return variable
 
 
-configparser = Configparser()
+configparser = ConfigParser()