bump version to 0.4.2

CHANGELOG

+0.4.2
+    * new kalman filter module wtih rc_test_kalman and rc_altitude examples
+    * new <rc/deprecated.h> to help some transition from v0.3 to v0.4 library
+    * convert all linear algebra from single to double precision due to rounding errors
+    * merge RobertCNelson's systemd service improvements
+    * add third order complementary filter function
+    * Improve DSM robustness
+    * rc_make_pid_file also makes the pid directory and provides helpful error messages
+    * 'make' in the library now runs on any architecture
+    * new rc_matrix_symmetrize and rc_matrix_subtract functions
+    * redundant motor functions removed
+    * Lots of random little bugfixes
+
+
 0.4.1
     * Simplify configure_robotics_dt.sh by removing unnecessary UUID line
     * update Black and Black wireless device trees to have new LED driver and IIO adc

README.md

@@ -8,7 +8,7 @@ Full API documentation and examples at <http://strawsondesign.com/docs/roboticsc
 
 ## Installation
 #### From Clean BeagleBoard.org Image
-Stable RoboticsCape library releases are pre-installed with the BeagleBoard stable images. We currently recommend BeagleBone Black and Black Wireless users flash the 'BBB-blank' Debian flasher image from 3-7-2017 available [here](https://rcn-ee.com/rootfs/bb.org/testing/2017-03-07/iot/) BeagleBone Blues come from the factory with the roboticscape package pre-installed as well.
+Stable RoboticsCape library releases are pre-installed with the BeagleBoard stable images. We recommend BeagleBone Black and Black Wireless users run the latest stable Stretch IOT image available [here](http://beagleboard.org/latest-images) BeagleBone Blues come from the factory with the roboticscape package pre-installed as well.
 
 On first boot after flashing a clean image the package will be installed but not configured yet. Manually configure the package with:
 
@@ -57,13 +57,11 @@ sudo reboot
 ```
 
 ## Version
-V0.3.4 is the current stable release. V0.4 is in beta testing and can be installed from source as described above or from the github releases page.
-
 You can check which version of the package is currently installed with the rc_version program.
 
 ```
 debian@beaglebone:~$ rc_version
-0.3.4
+0.4.2
 ```
 
 ## Setting Up Networking

debian/changelog

+roboticscape (0.4.2) stable; urgency=low
+
+    * new kalman filter module wtih rc_test_kalman and rc_altitude examples
+    * new <rc/deprecated.h> to help some transition from v0.3 to v0.4 library
+    * convert all linear algebra from single to double precision due to rounding errors
+    * merge RobertCNelson's systemd service improvements
+    * add third order complementary filter function
+    * Improve DSM robustness
+    * rc_make_pid_file also makes the pid directory and provides helpful error messages
+    * 'make' in the library now runs on any architecture
+    * new rc_matrix_symmetrize and rc_matrix_subtract functions
+    * redundant motor functions removed
+    * Lots of random little bugfixes
+
+ -- James Strawson <james@strawsondesign.com>  Fri, 27 Apr 2018 02:24:00 +0000
+
 roboticscape (0.4.1) unstable; urgency=low
 
     * Simplify configure_robotics_dt.sh by removing unnecessary UUID line

library/include/rc/version.h

@@ -18,8 +18,8 @@ extern "C" {
 #endif
 
 
-#define RC_LIB_VERSION_FLOAT	0.41
-#define RC_LIB_VERSION_STRING	"0.4.1"
+#define RC_LIB_VERSION_FLOAT	0.42
+#define RC_LIB_VERSION_STRING	"0.4.2"
 
 
 /**