prep CHANGES for the next release of calc

this should fixes issue #148

CHANGES

@@ -1,3 +1,10 @@
+The following are the changes from calc version 2.15.0.6 to 2.15.0.7:
+
+    Thanks to GitHub user @bambooleafz a critical bug (GitHub issue
+    #148 - https://github.com/lcn2/calc/issues/148) they identified
+    was fixed.
+
+
 The following are the changes from calc version 2.15.0.5 to 2.15.0.6:
 
      Thanks to GitHub user @ashamedbit, a long standing memory leak in

Makefile.config

@@ -1243,7 +1243,7 @@ EXT=
 
 # The calc version in the form of x.y.z.w
 #
-VERSION= 2.15.0.6
+VERSION= 2.15.0.7
 
 # The calc major version in the form of x.y.z
 #

calc.man

@@ -1512,7 +1512,7 @@ the following GitHub repo:
 https://github.com/lcn2/calc
 .in -0.5i
 .sp
-The very latest calc souece is found at the top master branch.
+The very latest calc source is found at the top master branch.
 
 .PP
 

help/help

@@ -13,7 +13,7 @@ following topics:
     config		configuration parameters
     custom		information about the custom builtin interface
     define		how to define functions
-    environment		how environment variables effect calc
+    environment		how environment variables affect calc
     errorcodes		calc generated error codes
     expression		expression sequences
     file		using files

qfunc.c

@@ -1953,7 +1953,7 @@ qispowerof2(NUMBER *q, NUMBER **qlog2)
 			 * Set *qlog2 to base 2 logarithm of q, which will be a negative value,
 			 * and return true.
 			 */
-			*qlog2 = utoq(log2);
+			**qlog2 = *utoq(log2);
 			(*qlog2)->num.sign = !(*qlog2)->num.sign;		/* set *qlog2 to -log2 */
 			return true;
 		}

version.h

@@ -64,7 +64,7 @@
 #define MAJOR_VER	2	/* level 1: major library version */
 #define MINOR_VER	15	/* level 2: minor library version */
 #define MAJOR_PATCH	0	/* level 3: major software version level */
-#define MINOR_PATCH	6	/* level 4: minor software version level */
+#define MINOR_PATCH	7	/* level 4: minor software version level */
 
 
 #endif /* !INCLUDE_VERSION_H*/