[perf,chore,fix] major code refactoring

[perf]

refactor block bootstrapping

refactor gl data storing in memory for efficiency

[chore]

check if required tags exists before reading vcf files

make test cases faster by reducing number of em iters

deprecate namespace MATH and mathUtils.cpp

reintroduce the amova table printing

[fix]

remove semicolons after do while end in function-like macros

change printed distance precision to double precision 17g

remove squaring the distances for nj

add gl rescaling for 3 gl analyses

Makefile

@@ -203,7 +203,7 @@ DEP := $(OBJ:.o=.d)
 FLAGS := $(CPPFLAGS) $(CXXFLAGS)
 
 
-VERSION = v0.3.1
+VERSION = v0.4
 
 ifneq ($(wildcard .git),)
 VERSION := $(VERSION)-$(shell git describe --always)
@@ -260,7 +260,7 @@ $(PROGRAM): $(OBJ)
 
 .PHONY: clean
 clean:
-	$(RM) $(OBJ) $(DEP) $(PREP) $(ASM) $(VERSIONH) $(BUILDH) $(PROGRAM)
+	$(RM) $(OBJ) $(DEP) $(PREP) $(ASM) $(VERSIONH) $(BUILDH) $(PROGRAM) vgcore.*
 
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 ## [test]