diff --git a/Makefile b/Makefile
index 806f082..c1125b3 100644
--- a/Makefile
+++ b/Makefile
@@ -19,8 +19,8 @@ PREFIX ?=/usr/local
 
 AYAS=ayaya
 ETC=etc
-CFLAGS=-I$(SOURCE) -I$(INCLUDES) -I$(CYTO_INC) -DNAME="\"$(NAME)\"" -DVERSION="\"$(VERSION)\"" -DREPOSITORY=\"$(REPOSITORY)\" -DCODE=\"$(CODE)\" -O2 -g -Wall -Werror
-LDFLAGS=-L $(CYTO_LIB) -lCytoplasm -O2 -g
+FCFLAGS=-I$(SOURCE) -I$(INCLUDES) -I$(CYTO_INC) -DNAME="\"$(NAME)\"" -DVERSION="\"$(VERSION)\"" -DREPOSITORY=\"$(REPOSITORY)\" -DCODE=\"$(CODE)\" $(CFLAGS)
+FLDFLAGS=-L $(CYTO_LIB) -lCytoplasm $(LDFLAGS)
 AFLAGS=-C "$(ETC)/ayadoc/style.css" -p "$(NAME)"
 # ============================ Compilation =================================
 SRC_FILES:=$(shell find $(SOURCE) -name '*.c') $(shell find $(ETC)/media -name '*.png')
@@ -32,7 +32,7 @@ AYA_FILES:=${subst $(INCLUDES)/,$(AYAS)/,$(patsubst %.h, %.html, $(CPP_FILES))}
 all: utils binary
 
 binary: $(OBJ_FILES)
-	$(CC) $(LDFLAGS) $(OBJ_FILES) -o $(BINARY)
+	$(CC) $(FLDFLAGS) $(OBJ_FILES) -o $(BINARY)
 tags: $(SRC_FILES)
 	@ctags --recurse $(SOURCE)/
 
@@ -45,10 +45,10 @@ $(OBJECT)/%.o: $(ETC)/media/%.png
 	@base64 $< 							| \
 		sed -e 's/^\(.*\)$$/    "\1"/' 	| \
 		sed -e '$$ s/^\(.*\)$$/\1;/'	>> $@.c
-	$(CC) -c $(CFLAGS) $@.c -o $@
+	$(CC) -c $(FCFLAGS) $@.c -o $@
 $(OBJECT)/%.o: $(SOURCE)/%.c
 	@mkdir -p $(shell dirname "$@")
-	$(CC) -c $(CFLAGS) $< -o $@	
+	$(CC) -c $(FCFLAGS) $< -o $@	
 
 utils:
 	(cd tools && make)
diff --git a/build.c b/build.c
index 663f57b..b80a7d9 100644
--- a/build.c
+++ b/build.c
@@ -203,6 +203,8 @@ typedef struct buildinfo {
         char *inc;
         char *obj;
 
+        char *cflags, *ldflags;
+
         char *cc;
     } basic;
 
@@ -216,52 +218,26 @@ destroy_buildinfo(buildinfo_t *info)
         return;
     }
     
-    if (info->basic.codename)
-    {
-        free(info->basic.codename);
-        info->basic.codename = NULL;
-    }
-    if (info->basic.version)
-    {
-        free(info->basic.version);
-        info->basic.version = NULL;
-    }
-    if (info->basic.name)
-    {
-        free(info->basic.name);
-        info->basic.name = NULL;
-    }
-    if (info->basic.binary)
-    {
-        free(info->basic.binary);
-        info->basic.binary = NULL;
-    }
-    if (info->basic.src)
-    {
-        free(info->basic.src);
-        info->basic.src = NULL;
-    }
-    if (info->basic.inc)
-    {
-        free(info->basic.inc);
-        info->basic.inc = NULL;
-    }
-    if (info->basic.obj)
-    {
-        free(info->basic.obj);
-        info->basic.obj = NULL;
-    }
-    if (info->basic.cc)
-    {
-        free(info->basic.cc);
-        info->basic.cc = NULL;
-    }
+#define FreeIfExistent(v) do \
+    { \
+        if (v) \
+        { \
+            free(v); \
+            v = NULL; \
+        } \
+    } while (0)
 
-    if (info->repo)
-    {
-        free(info->repo);
-        info->repo = NULL;
-    }
+    FreeIfExistent(info->basic.codename);
+    FreeIfExistent(info->basic.version);
+    FreeIfExistent(info->basic.ldflags);
+    FreeIfExistent(info->basic.binary);
+    FreeIfExistent(info->basic.cflags);
+    FreeIfExistent(info->basic.name);
+    FreeIfExistent(info->basic.src);
+    FreeIfExistent(info->basic.inc);
+    FreeIfExistent(info->basic.obj);
+    FreeIfExistent(info->basic.cc);
+    FreeIfExistent(info->repo);
 }
 
 static char *
@@ -309,8 +285,10 @@ exec_code(char *program, char *argv[])
         }
         return status;
     }
-}
 
+    /* We're not meant to ever be there, but TCC is stupid. */
+    return -1;
+}
 
 static char *
 strchrn(char *s, char c)
@@ -358,6 +336,32 @@ mkdir_rec(char *dir)
         }
     }
 }
+static str_array_t *
+split(char *dir)
+{
+    str_array_t *ret;
+    char *start;
+    if (!dir || strlen(dir) >= PATH_MAX - 1)
+    {
+        return NULL;
+    }
+
+    ret = str_array_create();
+    for (start = dir; start; start = strchrn(start, ' '))
+    {
+        char subtmp[PATH_MAX];
+        char *next = strchr(start, ' ');
+        if (!next)
+        {
+            next = start + strlen(start);
+        }
+        memcpy(subtmp, start, next - start);
+        subtmp[next - start] = '\0';
+
+        str_array_add(ret, subtmp);
+    }
+    return ret;
+}
 static time_t
 mod_date(char *file)
 {
@@ -371,7 +375,7 @@ mod_date(char *file)
 static bool
 build_file(char *cSource, buildinfo_t info, bool isTool)
 {
-    char *args[16] = { 0 };
+    str_array_t *args, *cflags;
     char *oFileName, *objPath, *oFile;
     int ret, i = 0;
     int srclen;
@@ -407,31 +411,45 @@ build_file(char *cSource, buildinfo_t info, bool isTool)
         free(oFile);
         return true;
     }
+    
+    args = str_array_create();
+    if (!isTool)
+    {
+        printf("\tCC %s...\n", cSource);
+    }
 
-    args[i++]   = Compiler(info);
+    str_array_add(args,  Compiler(info));
     if (isTool)
     {
-        args[i++]   = "-lCytoplasm";
-        args[i++]   = "-I.";
+        str_array_add(args,  "-lCytoplasm");
+        str_array_add(args,  "-I.");
     }
     else
     {
-        args[i++]   = "-c";
+        str_array_add(args,  "-c");
     }
-    args[i++]   = cSource;
-    args[i++]   = "-o";
-    args[i++]   = oFileName;
+    str_array_add(args,  cSource);
 
-    args[i++]   = "-I";
-    args[i++]   = info.basic.inc;
-    args[i++]   = "-I";
-    args[i++]   = info.basic.src;
+    cflags = split(info.basic.cflags);
+    for (i = 0; i < str_array_len(cflags); i++)
+    {
+        str_array_add(args, str_array_get(cflags, i));
+    }
+    str_array_free(cflags);
+
+    str_array_add(args,  "-o");
+    str_array_add(args,  oFileName);
+
+    str_array_add(args,  "-I");
+    str_array_add(args,  info.basic.inc);
+    str_array_add(args,  "-I");
+    str_array_add(args,  info.basic.src);
     
     {
         char *pre = string_cat("\"", info.basic.version);
         char *pos = string_cat(pre, "\"");
         vers = string_cat("-DVERSION=", pos);
-        args[i++]   = vers;
+        str_array_add(args,  vers);
 
         free(pos);
         free(pre);
@@ -440,7 +458,7 @@ build_file(char *cSource, buildinfo_t info, bool isTool)
         char *pre = string_cat("\"", info.basic.name);
         char *pos = string_cat(pre, "\"");
         name = string_cat("-DNAME=", pos);
-        args[i++]   = name;
+        str_array_add(args,  name);
 
         free(pos);
         free(pre);
@@ -449,7 +467,7 @@ build_file(char *cSource, buildinfo_t info, bool isTool)
         char *pre = string_cat("\"", info.basic.codename);
         char *pos = string_cat(pre, "\"");
         code = string_cat("-DCODE=", pos);
-        args[i++]   = code;
+        str_array_add(args,  code);
 
         free(pos);
         free(pre);
@@ -458,15 +476,17 @@ build_file(char *cSource, buildinfo_t info, bool isTool)
         char *pre = string_cat("\"", info.repo);
         char *pos = string_cat(pre, "\"");
         repo = string_cat("-DREPOSITORY=", pos);
-        args[i++]   = repo;
+        str_array_add(args,  repo);
 
         free(pos);
         free(pre);
     }
 
-    args[i++]   = NULL;
+    str_array_add(args,  NULL);
     
-    ret = exec_code(Compiler(info), args);
+    ret = exec_code(Compiler(info), args->values);
+
+    str_array_free(args);
     free(objPath);
     free(oFileName);
     free(oFile);
@@ -479,7 +499,7 @@ build_file(char *cSource, buildinfo_t info, bool isTool)
 static bool
 finalise_file(str_array_t *arr, buildinfo_t info)
 {
-    str_array_t *flags;
+    str_array_t *flags, *ldflags;
     size_t i;
     bool ret = true;
     if (!arr)
@@ -490,6 +510,13 @@ finalise_file(str_array_t *arr, buildinfo_t info)
     flags = str_array_create();
     str_array_add(flags, Compiler(info));
 
+    ldflags = split(info.basic.cflags);
+    for (i = 0; i < str_array_len(ldflags); i++)
+    {
+        str_array_add(flags, str_array_get(ldflags, i));
+    }
+    str_array_free(ldflags);
+
     str_array_add(flags, "-lCytoplasm");
 
     for (i = 0; i < str_array_len(arr); i++)
@@ -709,6 +736,9 @@ main_build(int argc, char *argv[])
         If("VERSION", basic.version, "Version");
         If("BINARY", basic.binary, "Binary name");
 
+        If("CFLAGS", basic.cflags, "C compiler arguments");
+        If("LDFLAGS", basic.ldflags, "Linker arguments");
+
         If("INCLUDES", basic.inc, "Include path");
         If("SOURCE", basic.src, "Source path");
         If("OBJECT", basic.obj, "Object path");
@@ -731,6 +761,20 @@ main_build(int argc, char *argv[])
     }
     info.repo = trim_nl(info.repo);
 
+    if (argc >= 2 && !strcmp(argv[1], "clean"))
+    {
+        char *args[8];
+        size_t i;
+        unlink(info.basic.binary);
+
+        args[i++] = "rm";
+        args[i++] = "-r";
+        args[i++] = info.basic.obj;
+        args[i++] = NULL;
+        exec_code(args[0], args);
+        goto end;
+    }
+
 
     /* Step 3: Build all utilities. */
     sources = collect_sources("tools", true, ".c");
@@ -771,7 +815,6 @@ main_build(int argc, char *argv[])
     for (i = 0; i < str_array_len(sources); i++)
     {
         char *file = str_array_get(sources, i);
-        printf("\tCC %s...\n", file);
         if (!build_file(file, info, false))
         {
             str_array_free(sources);
@@ -785,10 +828,8 @@ main_build(int argc, char *argv[])
         goto fail;
     }
     str_array_free(sources);
-    /* Step 6: Build every Ayadoc */
-
-    /* Step 7: Good! */
-
+    /* TODO: Step 6: Build every Ayadoc */
+end:
     destroy_buildinfo(&info);
     return EXIT_SUCCESS;
 fail:
@@ -802,8 +843,21 @@ fail:
 }
 
 int
-main(int argc, char* argv[])
+main(int argc, char *argv[])
 {
     /* TODO: Multiple flags(build/install/ayadoc/...) */
-    return main_build(argc, argv);
+    if ((argc - 1) < 1)
+    {
+        /* No arguments, let's just build. */
+        return main_build(argc, argv);
+    }
+
+    if (!strcmp(argv[1], "build") || 
+        !strcmp(argv[1], "clean"))
+    {
+        return main_build(argc, argv);
+    }
+
+    printf("%s: unknown verb: %s\n", argv[0], argv[1]);
+    return EXIT_FAILURE;
 }
diff --git a/src/Main.c b/src/Main.c
index ff6f72b..652512c 100644
--- a/src/Main.c
+++ b/src/Main.c
@@ -211,6 +211,10 @@ Main(Array *args, HashMap *env)
     conf.maxConnections = conf.threads << 2;
     conf.handlerArgs = ParseeInitData(jabber);
     conf.handler = ParseeRequest;
+    if (!conf.handlerArgs)
+    {
+        goto end;
+    }
 
     Log(LOG_DEBUG, "Verbosity level: %d", verbose);
     ((ParseeData *) conf.handlerArgs)->verbosity = verbose;
diff --git a/src/Parsee/Data.c b/src/Parsee/Data.c
index ce2ddc7..f5c20fe 100644
--- a/src/Parsee/Data.c
+++ b/src/Parsee/Data.c
@@ -14,6 +14,7 @@
 ParseeData *
 ParseeInitData(XMPPComponent *comp)
 {
+    char *version;
     ParseeData *data;
     DbRef *ref;
     if (!ParseeConfigGet())
@@ -37,7 +38,10 @@ ParseeInitData(XMPPComponent *comp)
     if (!data->db)
     {
         Log(LOG_WARNING, "LMDB doesn't seem to be setup.");
-        Log(LOG_WARNING, "Falling back to flat-file.");
+        if (data->config->db_size)
+        {
+            Log(LOG_WARNING, "Falling back to flat-file.");
+        }
         data->db = DbOpen(data->config->db_path, 0);
     }
 
@@ -49,6 +53,27 @@ ParseeInitData(XMPPComponent *comp)
         Free(id);
     }
 
+    version = GrabString(DbJson(ref), 1, "version");
+    if (!ParseeIsCompatible(VERSION, version))
+    {
+        Log(LOG_WARNING, "Version mismatch(curr=%s db=%s).", VERSION, version);
+        Log(LOG_WARNING, "Yeah. You may want to _not_ do that.");
+
+        DbUnlock(data->db, ref);
+        DbClose(data->db);
+
+        HashMapFree(data->oid_servers);
+        pthread_mutex_destroy(&data->oidl);
+
+        XMPPEndCompStream(data->jabber);
+
+        HttpRouterFree(data->router);
+        CommandFreeRouter(data->handler);
+
+        Free(data);
+        return NULL;
+    }
+
     data->id = StrDuplicate(GrabString(DbJson(ref), 1, "identifier"));
     DbUnlock(data->db, ref);
 
diff --git a/src/Parsee/Versions.c b/src/Parsee/Versions.c
new file mode 100644
index 0000000..b5398c0
--- /dev/null
+++ b/src/Parsee/Versions.c
@@ -0,0 +1,53 @@
+#include <Parsee.h>
+
+#include <Cytoplasm/Memory.h>
+#include <Cytoplasm/Str.h>
+
+bool
+ParseeIsCompatible(char *ver1, char *ver2)
+{
+    char *major1 = NULL;
+    char *major2 = NULL;
+    char *tmp;
+    if (!ver1 || !ver2)
+    {
+        return false;
+    }
+
+    /* Check if one of them is a "flipped"(joke) version. If so,
+     * then the user should definitely NOT try funny things with
+     * their data. */
+    if (*ver1 == '-' || *ver2 == '-')
+    {
+        return false;
+    }
+
+#define GetMajor(v) do \
+    { \
+        while (*ver##v != '.') \
+        { \
+            char cb[2]; \
+            cb[0] = *ver##v; \
+            cb[1] = '\0'; \
+            tmp = major##v; \
+            major##v = StrConcat(2, major##v, cb); \
+            Free(tmp); \
+            ver##v++; \
+        } \
+    } \
+    while (0)
+
+    GetMajor(1);
+    GetMajor(2);
+
+    if (!StrEquals(major1, major2))
+    {
+        Free(major1);
+        Free(major2);
+        return false;
+    }
+
+    Free(major1);
+    Free(major2);
+    return true;
+}
diff --git a/src/XMPPThread/Stanzas/Message.c b/src/XMPPThread/Stanzas/Message.c
index 8ed2151..f49697a 100644
--- a/src/XMPPThread/Stanzas/Message.c
+++ b/src/XMPPThread/Stanzas/Message.c
@@ -303,9 +303,9 @@ end_error:
                             args->config, mroom_id, encoded, 
                             "m.room.message", content
                         );
-                        Free(mime);
                         Free(mxc);
                     }
+                    Free(mime);
                 }
             }
             else if (reactions)
diff --git a/src/include/Parsee.h b/src/include/Parsee.h
index 3b74997..a795fbb 100644
--- a/src/include/Parsee.h
+++ b/src/include/Parsee.h
@@ -110,6 +110,12 @@ extern const char *parsee_ascii[PARSEE_ASCII_LINES];
  * Modifies: the logger output */
 extern void ParseePrintASCII(void);
 
+/**
+ * Checks if two versions of Parsee can be considered "compatible".
+ * ---------------
+ * Modifies: NOTHING */
+extern bool ParseeIsCompatible(char *ver1, char *ver2);
+
 /** Generates a valid, getopt-style argument list from a end-terminated 
  * argument list.
  * ------------