Bump gemspec to version 1.0.4

Author: johnnypaper

ruby-technical-analysis.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |spec|
   spec.name = "ruby-technical-analysis"
-  spec.version = "1.0.3"
+  spec.version = "1.0.4"
   spec.authors = ["Brad Saterfiel"]
   spec.email = ["[email protected]"]
   spec.description = "Ruby technical analysis toolkit for stocks, commodities, and other time series."