rename bosl to phisol

test/compiler/compiler_helper.rb

@@ -2,7 +2,7 @@ require_relative '../helper'
 require 'parslet/convenience'
 
 
-Bosl::Compiler.class_eval do
+Phisol::Compiler.class_eval do
 
   def check
     Virtual.machine.boot.parse_and_compile @string_input

test/compiler/test_compiler.rb

@@ -7,7 +7,7 @@ class CompilerTest < MiniTest::Test
     Virtual.machine.boot
   end
   def check
-    res = Bosl::Compiler.compile( @expression )
+    res = Phisol::Compiler.compile( @expression )
     assert res.is_a?(Virtual::Slot) , "compiler must compile to slot, not #{res.inspect}"
   end
   def test_function_expression