Fix "'split' is not a member of 'boost'" error

README.md

@@ -28,6 +28,8 @@ treeseg has been developed and tested on Ubuntu 20.04 LTS only, and is dependent
 These dependencies are installed via apt:
 
 ```
+apt-get update;
+apt-get install -y git cmake;
 apt install libpcl-dev libarmadillo-dev
 ```
 

src/pcdPointTreeseg2txt.cpp

@@ -1,5 +1,5 @@
 #include "treeseg.h"
-
+#include <boost/algorithm/string.hpp>
 #include <pcl/io/pcd_io.h>
 
 int main (int argc, char **argv)

src/pcdPointXYZRGB2txt.cpp

@@ -1,4 +1,5 @@
 #include <pcl/io/pcd_io.h>
+#include <boost/algorithm/string.hpp>
 
 int main (int argc, char **argv)
 {

src/treeseg.cpp

@@ -39,6 +39,7 @@
 #include <pcl/segmentation/region_growing.h>
 #include <pcl/segmentation/sac_segmentation.h>
 #include <pcl/octree/octree.h>
+#include <boost/algorithm/string.hpp>
 
 //File IO
 

src/txtPointTreeseg2pcd.cpp

@@ -1,6 +1,7 @@
 #include "treeseg.h"
 
 #include <pcl/io/pcd_io.h>
+#include <boost/algorithm/string.hpp>
 
 int main (int argc, char **argv)
 {