Class rename, composer add, phpUnit tests add

Rename the class from ReadEnvFile to DotEnv.
Add everything to a composer json file so it can be published to
composer repository.
Add phpUnit tests for system

test/phpUnitTests/dotenv/.env

@@ -0,0 +1 @@
+test.env

test/phpUnitTests/dotenv/test.env

@@ -0,0 +1,28 @@
+# enviroment file
+SOMETHING=A
+OTHER="B IS B"
+Complex="A B \"D is F"
+# COMMENT
+HAS_SPACE= "ABC";
+FAILURE = ABC
+SIMPLEBOX= A B  C
+TITLE=1
+FOO=1.2
+SOME.TEST=Test Var
+SOME.LIVE=Live Var
+Test="A"
+TEST="B"
+TEST="D"
+LINE="ABC
+DEF"
+OTHERLINE="ABC
+AF\"ASFASDF
+MORESHIT"
+SUPERLINE=
+"asfasfasf"
+   __FOO_BAR_1 = b
+	__FOOFOO	=	f     
+123123=number
+EMPTY=
+= flase
+asfasdf