Update compiler and includes to version 1.7.0.

env/include/float.inc

@@ -35,6 +35,7 @@
 #endif
 #define _float_included
 
+#if !defined __sourcepawn2__
 /**
  * Converts an integer into a floating point value.
  *
@@ -42,6 +43,7 @@
  * @return				Floating point value.
  */
 native Float:float(value);
+#endif
 
 /**
  * Multiplies two floats together.
@@ -244,6 +246,7 @@ stock RoundFloat(Float:value)
  * User defined operators.
  *
  */
+#if !defined __sourcepawn2__
 #pragma rational Float
 
 native bool:__FLOAT_GT__(Float:a, Float:b);
@@ -368,6 +371,7 @@ stock bool:operator<=(oper1, Float:oper2)
 forward operator%(Float:oper1, Float:oper2);
 forward operator%(Float:oper1, oper2);
 forward operator%(oper1, Float:oper2);
+#endif // __sourcepawn2__
 
 #define FLOAT_PI 3.1415926535897932384626433832795