Use C++ long long for time variables

The values being sent are Java `long` values, which apparently are
called `long long` in C++. This fixes parse errors people were
encountering.

CHANGELOG.md

@@ -6,6 +6,13 @@ This change log follows the conventions of
 
 ## [Unreleased][unreleased]
 
+### Fixed
+
+- It turns out that C++ integer types are half the size of Java
+  integer types, so the Java `long` values that are sent by Beat Link
+  Trigger as time stamps need to be declared as `long long` values in
+  C++. This change fixes parse errors people were running into.
+
 ### Added
 
 - More detailed error information is printed in the window in which

carabiner.cpp

@@ -120,7 +120,7 @@ static void handleBpm(std::stringstream &args, struct mg_connection *nc) {
 
 // Process a request to query the SessionState to find out what beat occurs at a particular time
 static void handleBeatAtTime(std::stringstream &args, struct mg_connection *nc) {
-  long when;
+  long long when;
   double quantum;
 
   args >> when;
@@ -146,7 +146,7 @@ static void handleBeatAtTime(std::stringstream &args, struct mg_connection *nc)
 
 // Process a request to query the current SessionState phase
 static void handlePhaseAtTime(std::stringstream &args, struct mg_connection *nc) {
-  long when;
+  long long when;
   double quantum;
 
   args >> when;
@@ -200,7 +200,7 @@ static void handleTimeAtBeat(std::stringstream &args, struct mg_connection *nc)
 // Process a request to gracefully or forcibly realign the SessionState
 static void handleAdjustBeatAtTime(std::stringstream &args, struct mg_connection *nc, bool force) {
   double beat;
-  long when;
+  long long when;
   double quantum;
 
   args >> beat;
@@ -240,7 +240,7 @@ static void handleEnableStartStopSync(bool enable, std::stringstream &args, stru
 
 // Process a request to start or stop the shared transport state
 static void handleSetIsPlaying(bool playing, std::stringstream &args, struct mg_connection *nc) {
-  long when;
+  long long when;
 
   args >> when;
   if (args.fail()) {