Url fixes, pkgdown site rebuilt

DESCRIPTION

@@ -1,6 +1,7 @@
 Package: iotables
 Type: Package
 Title: Importing and Manipulating Symmetric Input-Output Tables
+Date: 2021-06-01
 Version: 0.4.4
 Authors@R:
     c(person("Daniel", "Antal", role = c("aut", "cre"),
@@ -18,7 +19,7 @@ Description: Pre-processing and basic analytical tasks related to working
     with Eurostat's symmetric input-output tables and provide basic
     input-output economics calculations. The package is part of rOpenGov
     <http://ropengov.github.io/> to open source open government initiatives.
-URL: http://iotables.dataobservatory.eu/
+URL: https://iotables.dataobservatory.eu/
 BugReports: https://github.com/rOpenGov/iotables/issues
 License: MIT + file LICENSE
 Encoding: UTF-8
@@ -46,6 +47,6 @@ Suggests:
     rmarkdown,
     spelling,
     covr
-Depends: R(>= 2.10.0)
+Depends: R(>= 3.5.0)
 VignetteBuilder: knitr
 Language: en-US

NEWS.md

@@ -67,7 +67,7 @@ Error corrected concerning creation of temporary files on non-Windows environmen
 * Better exception handling in `equation_solve()`.  Removes trivial erroneous, all-zero columns. Efficiency gains in indicator and multiplier creation. New function to create backward linkages. Released on CRAN.
 
 # iotables 0.3.3
-* New vignette [Germany 1990](http://iotables.ceemid.eu/articles/germany_1990.html) with the [Eurostat Manual of Supply, Use and Input-Output Tables](https://ec.europa.eu/eurostat/documents/3859598/5902113/KS-RA-07-013-EN.PDF/b0b3d71e-3930-4442-94be-70b36cea9b39?version=1.0) example tables to show the working of the data processing and analytical functions.
+* New vignette [Germany 1990](https://iotables.ceemid.eu/articles/germany_1990.html) with the [Eurostat Manual of Supply, Use and Input-Output Tables](https://ec.europa.eu/eurostat/documents/3859598/5902113/KS-RA-07-013-EN.PDF/b0b3d71e-3930-4442-94be-70b36cea9b39?version=1.0) example tables to show the working of the data processing and analytical functions.
 * Finding an exception in the Eurostat vocabulary that preventing correctly identifying the  "Computer programming, consultancy and related services; Information services" industry in the rows. This is a critical problem in the Eurostat bulk files that prevents the creation of symmetric matrixes. 
 * Minor bug fixes.
 * New function `output_coefficient_matrix_create()`
@@ -77,9 +77,9 @@ Error corrected concerning creation of temporary files on non-Windows environmen
 
 # iotables 0.3.4
 * New function `direct_effects()` which calculates all input indicators that `input_indicator_create()` does individually.
-* New vignette to [work with real Eurostat data](http://iotables.ceemid.eu/articles/working_with_eurostat.html).
-* New [package website](http://iotables.ceemid.eu/).
-* The [ReadMe](http://iotables.ceemid.eu/index.html) file shortened, most of the contents are moved now to the two vignettes.
+* New vignette to [work with real Eurostat data](https://iotables.ceemid.eu/articles/working_with_eurostat.html).
+* New [package website](https://iotables.ceemid.eu/).
+* The [ReadMe](https://iotables.ceemid.eu/index.html) file shortened, most of the contents are moved now to the two vignettes.
 
 # iotables 0.3.5
 * New function `iotable_year_get()` which returns the available tables by year or time from the bulk database for a given country and currency unit. 

R/data_germany.R

@@ -6,7 +6,7 @@
 #' stores the highly structured SIOTs in long-form tidy datasets. 
 #' The labels were slightly alterred to reflect the transition from the vocabulary
 #' of ESA95 to ESA2010 since the publication of the Manual.
-#' @source \href{http://ec.europa.eu/eurostat/documents/3859598/5902113/KS-RA-07-013-EN.PDF/b0b3d71e-3930-4442-94be-70b36cea9b39?version=1.0}{Eurostat Manual of Supply, Use and Input-Output Tables} p 492
+#' @source \href{https://ec.europa.eu/eurostat/documents/3859598/5902113/KS-RA-07-013-EN.PDF/b0b3d71e-3930-4442-94be-70b36cea9b39?version=1.0}{Eurostat Manual of Supply, Use and Input-Output Tables} p 492
 #' @usage data(germany_1990)
 #' @format A data frame with 228 observations and 10 variables.
 #'\describe{

README.Rmd

@@ -88,7 +88,7 @@ The `cp` element refers to basic prices and the `pyp` to previous years' prices.
 
 Given the complexity of the data used by the package, probably the use of the vignettes is needed to get a start. 
 
-The [Germany 1990](https://iotables.dataobservatory.eu/articles/germany_1990.html) vignette presents most of the examples of the [Eurostat Manual of Supply, Use and Input-Output Tables](http://ec.europa.eu/eurostat/documents/3859598/5902113/KS-RA-07-013-EN.PDF/b0b3d71e-3930-4442-94be-70b36cea9b39?version=1.0) (Eurostat Manual, Chapter 15.) This is a good introduction to understand what will the functions do, and to check that they work correctly.  The `testthat` infrastructure of the package checks the proper working of the functions against the published results from the `Eurostat Manual`.
+The [Germany 1990](https://iotables.dataobservatory.eu/articles/germany_1990.html) vignette presents most of the examples of the [Eurostat Manual of Supply, Use and Input-Output Tables](https://ec.europa.eu/eurostat/documents/3859598/5902113/KS-RA-07-013-EN.PDF/b0b3d71e-3930-4442-94be-70b36cea9b39?version=1.0) (Eurostat Manual, Chapter 15.) This is a good introduction to understand what will the functions do, and to check that they work correctly.  The `testthat` infrastructure of the package checks the proper working of the functions against the published results from the `Eurostat Manual`.
 
 The [Working with Eurostat Data](https://iotables.dataobservatory.eu/articles/working_with_eurostat.html) vignette shows how you can download, pre-process and use real data from Eurostat.
 
@@ -107,7 +107,7 @@ Contributions are very welcome:
 
 **Kindly cite this work** as follows: 
 
-Daniel Antal. (2020, May 19). rOpenGov/iotables: Importing and Manipulating Symmetric Input-Output Tables (Version 0.4.3). Zenodo. [http://doi.org/10.5281/zenodo.3839319](http://doi.org/10.5281/zenodo.3839319) for released version. 
+Daniel Antal. (2020, May 19). rOpenGov/iotables: Importing and Manipulating Symmetric Input-Output Tables (Version 0.4.3). Zenodo. [https://doi.org/10.5281/zenodo.3839319](https://doi.org/10.5281/zenodo.3839319) for released version. 
 Development version: URL: [https://ropengov.github.io/iotables/](https://ropengov.github.io/iotables/)
 
 Thanks to [\@KKulma](https://github.com/KKulma/) for setting up new and improved continuous integration, and [\@pitkant](https://github.com/pitkant) for implementing many good practices on improving the code. See [contributors](https://github.com/ropengov/iotables/graphs/contributors). This project is part of [rOpenGov](http://ropengov.org).

README.md

@@ -115,7 +115,7 @@ The [Germany
 1990](https://iotables.dataobservatory.eu/articles/germany_1990.html)
 vignette presents most of the examples of the [Eurostat Manual of
 Supply, Use and Input-Output
-Tables](http://ec.europa.eu/eurostat/documents/3859598/5902113/KS-RA-07-013-EN.PDF/b0b3d71e-3930-4442-94be-70b36cea9b39?version=1.0)
+Tables](https://ec.europa.eu/eurostat/documents/3859598/5902113/KS-RA-07-013-EN.PDF/b0b3d71e-3930-4442-94be-70b36cea9b39?version=1.0)
 (Eurostat Manual, Chapter 15.) This is a good introduction to understand
 what will the functions do, and to check that they work correctly. The
 `testthat` infrastructure of the package checks the proper working of
@@ -150,7 +150,7 @@ Contributions are very welcome:
 
 Daniel Antal. (2020, May 19). rOpenGov/iotables: Importing and
 Manipulating Symmetric Input-Output Tables (Version 0.4.3). Zenodo.
-<http://doi.org/10.5281/zenodo.3839319> for released version.
+<https://doi.org/10.5281/zenodo.3839319> for released version.
 Development version: URL: <https://ropengov.github.io/iotables/>
 
 Thanks to [@KKulma](https://github.com/KKulma/) for setting up new and