Add support for --sequence-length

Fix output order when using --deinterlaced
Fixed various race conditions
Added test for deinterlace mode
Drop support for --ordered CLI argument

Author: gdm85

Makefile

@@ -1,12 +1,11 @@
-all: bin/coshell
+all: bin/coshell test
 
 bin/coshell:
-	mkdir -p bin/
-	CGO_ENABLED=0 go build -o bin/coshell .
+	CGO_ENABLED=0 go build -ldflags="-s -w" -o bin/coshell .
 	strip bin/coshell
 
 test:
-	cd cosh && go test
+	go test -race -v ./cosh
 
 clean:
 	rm -rf bin/

README.md

@@ -1,4 +1,4 @@
-# coshell v0.2.2
+# coshell v0.2.3
 
 A no-frills dependency-free replacement for GNU parallel, perfect for initramfs usage.
 
@@ -49,14 +49,14 @@ Output:
     test1
     test2
 
-## deinterlace option
+## sequence length option
 
-Order is not deterministic by default, but with option ``--deinterlace`` or ``-d`` all output will be buffered and afterwards
-printed in the same chronological order as process termination.
+By specifying a sequence length greater than 1 it is possible to group commands in sequences. Each group of commands will be executed sequentially.
 
-## ordered option
+## deinterlace option
 
-This option allows printing ordered output before execution of all commands; it implies `--deinterlace`.
+Order is not deterministic by default, but with option ``--deinterlace`` or ``-d`` all output will be buffered and afterwards
+printed in the same chronological order as your input.
 
 ## shell
 
@@ -80,4 +80,4 @@ will be adopted as coshell exit code.
 
 ## Examples
 
-See [examples/](examples/) directory.
+See [examples/](examples/) directory for examples of various use-cases.